Henry Flynt:
http://www.boweavilrecordings.com/images/weavil_02.

Feelies (obvs):
http://exclaim.ca/images/up-feelies.jpg

DNA (mainly Arto Lindsay):
http://walrusmusicblog.com/wp-content/uploads/retro/423blog_dna.jpg

Social Climbers:
http://userserve-ak.last.fm/serve/_/26138069/Social+Climbers++1981.jpg

Weezer: you can pick your own picture