diff --git a/src/collections/Announcements.ts b/src/collections/Announcements.ts
index 897258f..2e7e26c 100644
--- a/src/collections/Announcements.ts
+++ b/src/collections/Announcements.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 import { nextSunday } from '@/utils/sunday'
 
 export const Announcements: CollectionConfig = {
@@ -46,6 +46,9 @@ export const Announcements: CollectionConfig = {
       required: true
     }
   ],
+  admin: {
+    hidden: hide
+  },
   access: {
     read: () => true,
     create: isAdminOrEmployee(),
diff --git a/src/collections/Blog.ts b/src/collections/Blog.ts
index 3baab58..fc1d651 100644
--- a/src/collections/Blog.ts
+++ b/src/collections/Blog.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 import { ParagraphBlock } from '@/collections/blocks/Paragraph'
 import { DocumentBlock } from '@/collections/blocks/Document'
 import { ContactformBlock } from '@/collections/blocks/Contactform'
@@ -62,7 +62,8 @@ export const Blog: CollectionConfig = {
     },
   ],
   admin: {
-    useAsTitle: 'title'
+    useAsTitle: 'title',
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/Churches.ts b/src/collections/Churches.ts
index 80d0bfb..a77d1a2 100644
--- a/src/collections/Churches.ts
+++ b/src/collections/Churches.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Churches: CollectionConfig = {
   slug: 'church',
@@ -31,6 +31,7 @@ export const Churches: CollectionConfig = {
   ],
   admin: {
     useAsTitle: 'name',
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/ContactPerson.ts b/src/collections/ContactPerson.ts
index 83f4476..5d8cd8b 100644
--- a/src/collections/ContactPerson.ts
+++ b/src/collections/ContactPerson.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const ContactPerson: CollectionConfig = {
   slug: 'contactPerson',
@@ -38,7 +38,8 @@ export const ContactPerson: CollectionConfig = {
     }
   ],
   admin: {
-    useAsTitle: "name"
+    useAsTitle: "name",
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/Documents.ts b/src/collections/Documents.ts
index 1b3651b..b181852 100644
--- a/src/collections/Documents.ts
+++ b/src/collections/Documents.ts
@@ -1,4 +1,5 @@
 import type { CollectionConfig } from 'payload'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Documents: CollectionConfig = {
   slug: 'documents',
@@ -12,8 +13,13 @@ export const Documents: CollectionConfig = {
   },
   access: {
     read: () => true,
+    update: isAdminOrEmployee(),
+    delete: isAdminOrEmployee()
   },
   fields: [],
+  admin: {
+    hidden: hide
+  },
   upload: {
     mimeTypes: ['application/pdf']
   },
diff --git a/src/collections/Events.ts b/src/collections/Events.ts
index 648feb6..14a49b9 100644
--- a/src/collections/Events.ts
+++ b/src/collections/Events.ts
@@ -1,5 +1,6 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { stringify } from 'qs-esm'
+import { Event, Group, User } from '@/payload-types'
 
 export const Events: CollectionConfig = {
   slug: 'event',
@@ -12,14 +13,6 @@ export const Events: CollectionConfig = {
     },
   },
   fields: [
-    {
-      name: 'photo',
-      label: {
-        de: 'Foto',
-      },
-      type: 'upload',
-      relationTo: 'media',
-    },
     {
       name: 'title',
       type: 'text',
@@ -67,7 +60,7 @@ export const Events: CollectionConfig = {
           return 'You are not allowed to do this'
         }
 
-        if (user.roles === 'user' && value) {
+        if (user.roles === 'user' && value && value.length > 0) {
           return 'Sie sind nur erlaubt Veranstaltungen für Gruppen zu erstellen.'
         }
 
@@ -82,7 +75,20 @@ export const Events: CollectionConfig = {
       label: {
         de: 'Gruppe',
       },
-      validate: (value: any, options: { req: { user: any } }) => {
+      access: {
+        update: ({req: { user}, data}) => {
+          if(user && (user.roles == "admin" || user.roles =="employee")) {
+            return true
+          }
+
+          if(hasGroup(user, data)) {
+            return true
+          }
+
+          return false
+        }
+      },
+      validate: (value, options: { req: { user: any } }) => {
         let user = options.req.user
 
         if (!user) {
@@ -90,8 +96,16 @@ export const Events: CollectionConfig = {
         }
 
         if (user.roles === 'user') {
-          if (!user.groups || (user.groups && !user.groups.includes(value))) {
-            return 'Sie können nur Veranstaltungen für Ihre eigene Gruppen erstellen!'
+          if(!Array.isArray(value) || value.length === 0) {
+            return 'Sie müssen die Veranstaltung verknüpfen mit ihrer Gruppe.'
+          }
+
+          if(!Array.isArray(user.groups) || user.groups.length === 0) {
+            return "Sie sind kein Mitglied einer Gruppe, und können deswegen keine Veranstaltung erstellen."
+          }
+
+          if(!value.every(id => user.groups.includes(id))) {
+            return "Sie sind nur berechtigt Veranstaltungen für ihrer Gruppe zu erstellen"
           }
         }
 
@@ -131,8 +145,19 @@ export const Events: CollectionConfig = {
         de: "Anmeldelink"
       }
     },
+    {
+      name: 'photo',
+      label: {
+        de: 'Foto',
+      },
+      type: 'upload',
+      relationTo: 'media',
+    },
     {
       name: 'flyer',
+      label: {
+        de: "Flyer (PDF)"
+      },
       type: 'upload',
       relationTo: 'documents'
     },
@@ -160,6 +185,70 @@ export const Events: CollectionConfig = {
   },
   access: {
     read: () => true,
-    delete: isAdminOrEmployee(),
+    // admins and employees can delete, others only if they are member of the group
+    delete: async ({ req: { user }, id }) => {
+      if (!user) {
+        return false
+      }
+
+      if(user.roles === 'admin' || user.roles === 'employee')
+        return true
+
+      if(typeof id !== 'string') {
+        return false
+      }
+
+      const event = await fetchEvent(id)
+      if (hasGroup(user, event)) {
+        return true
+      }
+
+      return false
+    },
   },
 }
+
+/**
+ * Check if we have
+ *  - a user
+ *  - data with groups
+ *  - the user is member of one of the groups
+ *
+ * @param user
+ * @param data
+ */
+const hasGroup = (user: null | User , data: Partial<any> | undefined) => {
+  return user
+    && user.roles === 'user'
+    && data
+    && Array.isArray(data.group)
+    && data.group.length > 0
+    && data.group.some((group: string | Group) => {
+      if (!Array.isArray(user.groups)) {
+        return false;
+      }
+
+      if (typeof group === "string")
+        return user.groups.includes(group)
+      else
+        return user.groups.includes(group.id)
+    })
+}
+
+/**
+ * Fetch event
+ * @param id
+ */
+const fetchEvent = async (id: string): Promise<undefined|Event> => {
+  const stringifiedQuery = stringify(
+    {
+      select: {
+        group: true,
+      },
+    },
+    { addQueryPrefix: true },
+  )
+  const res = await fetch(`http://localhost:3000/api/event/${id}${stringifiedQuery}`);
+  if (!res.ok) return undefined
+  return res.json()
+}
\ No newline at end of file
diff --git a/src/collections/Highlight.ts b/src/collections/Highlight.ts
index 27f5533..dc42983 100644
--- a/src/collections/Highlight.ts
+++ b/src/collections/Highlight.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Highlight: CollectionConfig = {
   slug: 'highlight',
@@ -62,7 +62,8 @@ export const Highlight: CollectionConfig = {
     }
   ],
   admin: {
-    useAsTitle: 'text'
+    useAsTitle: 'text',
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/LiturgicalCalendar.ts b/src/collections/LiturgicalCalendar.ts
index 33b3c63..ec0aac4 100644
--- a/src/collections/LiturgicalCalendar.ts
+++ b/src/collections/LiturgicalCalendar.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 import { nextSunday } from '@/utils/sunday'
 
 export const LiturgicalCalendar: CollectionConfig = {
@@ -46,6 +46,9 @@ export const LiturgicalCalendar: CollectionConfig = {
       required: true
     }
   ],
+  admin: {
+    hidden: hide
+  },
   access: {
     read: () => true,
     create: isAdminOrEmployee(),
diff --git a/src/collections/Media.ts b/src/collections/Media.ts
index f245fd1..90ccaaf 100644
--- a/src/collections/Media.ts
+++ b/src/collections/Media.ts
@@ -1,10 +1,12 @@
 import type { CollectionConfig } from 'payload'
-import { Media as MediaType } from '../payload-types'
+import { isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Media: CollectionConfig = {
   slug: 'media',
   access: {
     read: () => true,
+    update: isAdminOrEmployee(),
+    delete: isAdminOrEmployee()
   },
   admin: {
     listSearchableFields: ['search']
diff --git a/src/collections/Parish.ts b/src/collections/Parish.ts
index 9581deb..a067a5c 100644
--- a/src/collections/Parish.ts
+++ b/src/collections/Parish.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdmin, isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdmin, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Parish: CollectionConfig = {
   slug: 'parish',
@@ -131,6 +131,7 @@ export const Parish: CollectionConfig = {
   ],
   admin: {
     useAsTitle: 'name',
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/PopesPrayerIntentions.ts b/src/collections/PopesPrayerIntentions.ts
index 8c07827..007814b 100644
--- a/src/collections/PopesPrayerIntentions.ts
+++ b/src/collections/PopesPrayerIntentions.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const PopesPrayerIntentions: CollectionConfig = {
   slug: 'popePrayerIntentions',
@@ -100,6 +100,7 @@ export const PopesPrayerIntentions: CollectionConfig = {
   ],
   admin: {
     useAsTitle: 'title',
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/Users.ts b/src/collections/Users.ts
index 81b5175..b20231b 100644
--- a/src/collections/Users.ts
+++ b/src/collections/Users.ts
@@ -1,5 +1,5 @@
 import type { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { isAdmin, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Users: CollectionConfig = {
   slug: 'users',
@@ -69,8 +69,9 @@ export const Users: CollectionConfig = {
     },
   ],
   access: {
+    read: isAdminOrEmployee(),
     create: isAdminOrEmployee(),
     update: isAdminOrEmployee(),
-    delete: isAdminOrEmployee(),
+    delete: isAdmin(),
   },
 }
diff --git a/src/collections/Worship.ts b/src/collections/Worship.ts
index c897b82..cf5f316 100644
--- a/src/collections/Worship.ts
+++ b/src/collections/Worship.ts
@@ -1,5 +1,5 @@
 import { CollectionConfig } from 'payload'
-import { isAdminOrEmployee } from '@/collections/access/admin'
+import { hide, isAdminOrEmployee } from '@/collections/access/admin'
 
 export const Worship: CollectionConfig = {
   slug: 'worship',
@@ -101,7 +101,8 @@ export const Worship: CollectionConfig = {
   ],
   admin: {
     defaultColumns: ["date", 'location', 'type', 'celebrant'],
-    listSearchableFields: ['date', 'location']
+    listSearchableFields: ['date', 'location'],
+    hidden: hide
   },
   access: {
     read: () => true,
diff --git a/src/collections/access/admin.ts b/src/collections/access/admin.ts
index 847fe88..a36af14 100644
--- a/src/collections/access/admin.ts
+++ b/src/collections/access/admin.ts
@@ -1,4 +1,4 @@
-import type { Access } from 'payload'
+import type { Access, ClientUser } from 'payload'
 
 export const isAdmin =
   (): Access =>
@@ -15,3 +15,5 @@ export const isAdminOrEmployee =
 
     return user.roles === 'admin' || user.roles === 'employee'
   }
+
+export const hide = (args: {   user: ClientUser }) => args.user && args.user.roles === "user"
\ No newline at end of file
diff --git a/src/payload-types.ts b/src/payload-types.ts
index 8e1020c..46c3ec7 100644
--- a/src/payload-types.ts
+++ b/src/payload-types.ts
@@ -6,65 +6,10 @@
  * and re-run `payload generate:types` to regenerate this file.
  */
 
-/**
- * Supported timezones in IANA format.
- *
- * This interface was referenced by `Config`'s JSON-Schema
- * via the `definition` "supportedTimezones".
- */
-export type SupportedTimezones =
-  | 'Pacific/Midway'
-  | 'Pacific/Niue'
-  | 'Pacific/Honolulu'
-  | 'Pacific/Rarotonga'
-  | 'America/Anchorage'
-  | 'Pacific/Gambier'
-  | 'America/Los_Angeles'
-  | 'America/Tijuana'
-  | 'America/Denver'
-  | 'America/Phoenix'
-  | 'America/Chicago'
-  | 'America/Guatemala'
-  | 'America/New_York'
-  | 'America/Bogota'
-  | 'America/Caracas'
-  | 'America/Santiago'
-  | 'America/Buenos_Aires'
-  | 'America/Sao_Paulo'
-  | 'Atlantic/South_Georgia'
-  | 'Atlantic/Azores'
-  | 'Atlantic/Cape_Verde'
-  | 'Europe/London'
-  | 'Europe/Berlin'
-  | 'Africa/Lagos'
-  | 'Europe/Athens'
-  | 'Africa/Cairo'
-  | 'Europe/Moscow'
-  | 'Asia/Riyadh'
-  | 'Asia/Dubai'
-  | 'Asia/Baku'
-  | 'Asia/Karachi'
-  | 'Asia/Tashkent'
-  | 'Asia/Calcutta'
-  | 'Asia/Dhaka'
-  | 'Asia/Almaty'
-  | 'Asia/Jakarta'
-  | 'Asia/Bangkok'
-  | 'Asia/Shanghai'
-  | 'Asia/Singapore'
-  | 'Asia/Tokyo'
-  | 'Asia/Seoul'
-  | 'Australia/Sydney'
-  | 'Pacific/Guam'
-  | 'Pacific/Noumea'
-  | 'Pacific/Auckland'
-  | 'Pacific/Fiji';
-
 export interface Config {
   auth: {
     users: UserAuthOperations;
   };
-  blocks: {};
   collections: {
     parish: Parish;
     church: Church;
@@ -399,7 +344,6 @@ export interface Highlight {
  */
 export interface Event {
   id: string;
-  photo?: (string | null) | Media;
   title: string;
   date: string;
   location: string | Location;
@@ -409,6 +353,7 @@ export interface Event {
   shortDescription: string;
   description: string;
   rsvpLink?: string | null;
+  photo?: (string | null) | Media;
   flyer?: (string | null) | Document;
   cancelled: boolean;
   isRecurring: boolean;
@@ -814,7 +759,6 @@ export interface HighlightSelect<T extends boolean = true> {
  * via the `definition` "event_select".
  */
 export interface EventSelect<T extends boolean = true> {
-  photo?: T;
   title?: T;
   date?: T;
   location?: T;
@@ -824,6 +768,7 @@ export interface EventSelect<T extends boolean = true> {
   shortDescription?: T;
   description?: T;
   rsvpLink?: T;
+  photo?: T;
   flyer?: T;
   cancelled?: T;
   isRecurring?: T;