Black eyed peas question?

ok so u black eyed peas fans. The E.N.D. album is green. but when I was on Itunes I saw it was green and red with the same name. What is the diference??? More songs or what? better sound like remasterd or something? also whats your fav black eyed peas song besides imma be, i gotta feelin, and boom boom pow? thanks alot and no answers saying they suck, who cares, ect.