HIPGNOSIS - THE GREATEST ALBUM COVERS EVER...?

Hipgnosis - the art studio responsible for some of the most striking and enigmatic album covers in rock...

so what do the numbers 3917 signify on the dice on Bad Company's "Straight Shooter"...?

and what's their best cover..? Dark Side Of The Moon? Animal Magnetism? Deceptive Bends.?

I feel a poll coming on!

Send me your best album covers for a forthcoming debate.