Hey zag, about the quality, they are all in good quality, but disadvantages are present.
Here are some of the reasons:
1)
Katy Perry - need more work on the hair, ie to clean up a bit the white background on the edges
here's an example:

- Katy Perry.png (467.34 KiB) Viewed 38340 times
3)
Peppers Red Hot Chili - Per the rules: "No cropping of any part of the image on the top or left hand sides." hand trimmed on the left side
5)
Foo Fighters - Per the rules: "No cropping of any part of the image on the top or left hand sides." hand trimmed on the left side
6)
Muse - Per the rules: "No cropping of any part of the image on the top or left hand sides." hand trimmed on the left side
7)
linkin park - Per the rules: "No cropping of any part of the image on the top or left hand sides." hand trimmed on the left side
8)
the prodigy - Per the rules: "No cropping of any part of the image on the top or left hand sides."
9)
evanescence - there crumbs. More detail about this here -
Not Rendered Completely
This is what I saw with my own eyes,

- evanescenc v1.png (351.41 KiB) Viewed 38340 times
but if you add a stroke in photoshop, you'll see it

- evanescenc v2.png (360.59 KiB) Viewed 38340 times
10)
Tupac - Per the rules: "No cropping of any part of the image on the top or left hand sides." Also has white outerline on edges.
Here is an example without white outerline on edges. Also I duplicated his hand on the left side and worked a bit with the "burn tool"

- Tupac.png (243.6 KiB) Viewed 38340 times
CleartArt's under number 2,4,11,12 I would have approved
