In the attached zip file (it was too big for ASF to let me upload it as an image) is a picture made by virgin music.
There are, allegedly, 7520 bands referenced in the picture. How many can you find? Be warned, it's addictive.
To start you off, I'll share some here.
1. Guns'n'Roses - Foreground, in the cart. Guns amongst the roses in the vase.
2. Smashing Pumpkins - In the middleground, guy taking a sledge hammer to pumpkins.
3. The Eagles - About 2/3rd the way up the picture, hard against the right edge, 3 flying eagles.
4. U2 - On the wall of the building down and to the left of the left most eagle, 2 u's
5. The Dead Kennedys - Just above the gun/rose filled cart and beneath the first "E" in "Exercise" on the wall is two posters of Kennedys.
6. Led Zeppelin - duh.
7. The White Stripes - Middleground, the crosswalk.