Out of the box, you can display thumbnails on the main vBa CMPS page. If you want to change random thumbs to something else, you'd need to make edits similar to
this or
this. There is nothing built-in for the other items you mentioned. Though access is limited to pro users, here is a list of thread titles in the mods forum:
- User profile filmstrip
- VBSEO Sitemap addon for photoplog
- 4 different thumbnail setups
- New File in Moderation Email
- New Comment Email
- RSS2 Feed
- MemberInfo Addon Part I
- PhotoPlog LetterBar
- German Translation Phrases
- MemberInfo Addon Part II
- MouseOver Function