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Some wise words from Aki
Yo APeople. My last wall was definitely my best, but wasn't noticed enough, despite that it had the longest worktime from all my wallpapers. Hope this one fulfills the role of the "ecchi wall what is usually quite well noticed by common members of AP". Also I was motivated by the lack of wallpapers for Sora no Otoshimono with a character other as Ikaros. And at not least, to celebrare my soon upcomming 3rd anniversary on AP.

A little review of girls from Sora no Otoshimono and also a little mathematics
Comparison of intelligence vs. bust size
Nymph - Flatchested loli / Genius level intellect
Mikako Satsukitane - Medium sized boobs / Intelligent
Sohara Mitsuki - Big boobs / Simple-minded
Ikaros - Very big boobs / Dumb
Astraea - Giant boobs / Airhead

So the final conclusion is very clear, better to be dumb as possible. Though be ready for heavy load on your shoulders, killer bouncing and expensive underwear!

Workprocess
On the character heavy gradients and medium shading, just as by all my latest vectors, but now with almost full coverage of the wall, guess almost 80%. If you compare with the original scan, almost the third of the character was rebuilded, and got a coloring more close to blue instead of purple. (RGB colors -20 red) Outlines black combined with colored. For the BG gone with simple sky, but which fits with the style of Sora no Otoshimono. Clouds duplicated and Gaussian Blur on the upper layer. Additional directional blue lighting on the whole compostion (15% opacity).

Used software: Adobe Photoshop CS2
Original resolution: 4000x2500 (16:10)
Original size: 44 MB (.psd)
Layers: 74

Credits
Cloud brushes by PhysicalMagic@DeviantArt

People who I want to give big thanks
CrimsonCyanide - due that I bugged him so many times and he still supported me ;3
Cr1ms0n-m00n - for same reasons.

Music listened
Aoi Tada - Brave Song
MUCC - Yakusoku
Girls Dead Monster - Alchemy
Girls Dead Monster - Crow Song
Girls Dead Monster - Thousand Enemies
Rookiez is Punk'd - Complication
Paradise Lunch - Guns & Roses
Yuuya Matsushita - Trust Me