The highest quality i've seen is the avi rips from Complete Clip Box, I THINK that's what I have, but i'm not totally sure. XD But in any case, I can upload them for you if you want.
The LOVEppears "hamamsaki" poster is about 9 inches wide & 18 inches high, folded into eighths to fit into the CD case.
Here's a version of the poster with the fold lines, each block is about a 4 1/2 inch square or so:
And yes, the LOVEppears/appears hybrid poster is an actual poster, and sorry I don't have bigger images but here's another one for just appears by itself:
