There are 7 parody covers of this album on this page.
Ox Compilation #32 - PANK! Album Cover Parodies
"6.1: Slimy Toad"
"You Could Have It So Much Better"
Mike & the Mechanics
"Word of Mouth"
Wow, they really got abstract on this one. I'm sure the constructivists would approve!
A Popular History of Signs
"Evolution/Revolution: The Early Years (1966-1974)"
"Plea for Peace/Take Action"
Disclaimer: amIright.com makes no claims of ownership of the original image.