Game's PNG

This website organises some game screenshot packs from 4gamer for download and some packs contains characters' PNG (background removed), but you need to organise them by yourself because download links are quiet messy.
http://darkaquamarine.blogspot.tw/search/label/Download?updated-max=2012-06-20T20:50:00%2B07:00&max-results=20&start=8&by-date=false

Shaiya's PNG and Others (Background Removed)

http://planetrenders.net/Shaiya-Light-and-Darkness-PSD562.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD33204.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD33205.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD27952.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD856.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD35038.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD563.html
http://planetrenders.net/Shaiya-Light-and-Darkness-PSD855.html

There are others at the same website, so just search your favourite by yourself.
e.g.,

• http://planetrenders.net/Xiah-PSD557.html 
• http://planetrenders.net/Xiah-PSD9359.html 
• http://planetrenders.net/Xiah-PSD7510.html 
• http://planetrenders.net/Xianghua-PSD36693.html 
• http://planetrenders.net/Yakumo-Yukari-PSD66146.html 
• http://planetrenders.net/YS-VI---The-Ark-of-Napishtim-PSD6154.html 
• http://planetrenders.net/Aion-PSD66599.html 
• http://planetrenders.net/Aion-PSD41318.html 
• http://planetrenders.net/Aion-Tower-of-Eternity-PSD27198.html 
• http://planetrenders.net/Airi-PSD49957.html 
• http://planetrenders.net/Alice-In-Wonderland-PSD55497.html 
• http://planetrenders.net/Alisa-Bosconovitch-PSD48265.html 
• http://planetrenders.net/Alvin-PSD29434.html 
• http://planetrenders.net/Angel-PSD6219.html 
• http://planetrenders.net/Angel-PSD14957.html 
• http://planetrenders.net/Angel---Aion-The-Tower-Of-Eternity-PSD50765.html 
• http://planetrenders.net/Sora-Naegino---Kaleido-Star-PSD53342.html 
• http://planetrenders.net/Ling-Xiaoyu-PSD49550.html 
• http://planetrenders.net/Artbook-Noel-Vermillion-PSD48202.html 
• http://planetrenders.net/Ashe---LoL-PSD66317.html 
• http://planetrenders.net/Atlantica-online-PSD37837.html 
• http://planetrenders.net/Atlantica-Online-PSD49588.html 
• http://planetrenders.net/Aurica-PSD48781.html 
• http://planetrenders.net/Aurica-PSD49898.html 
• http://planetrenders.net/ted-PSD66004.html 
• http://planetrenders.net/Teemo-PSD65487.html 
• http://planetrenders.net/Tekken---Lili-PSD3897.html 
• http://planetrenders.net/Tekken-5---Kangaroo-PSD3845.html 
• http://planetrenders.net/Tekken-6---Lili-PSD52904.html 
• http://planetrenders.net/Tekken-6-Bloodline-Rebellion---Lili-PSD51279.html
• http://planetrenders.net/Super-Mario-GalaxyPrincess-Rosetta-PSD28382.html
• http://planetrenders.net/Silkroad-Stone-Beast-PSD11842.html

Zodiac, http://planetrenders.net/The-Zodiac-PSD8040.html
http://planetrenders.net/The-Zodiac-PSD36593.html
http://planetrenders.net/The-Zodiac-PSD36531.html
http://planetrenders.net/the-zodiac-PSD36492.html
http://planetrenders.net/zodiac-PSD36935.html

DA PNG collection, http://lavandalu.deviantart.com/favourites/49795751

More amine renders (PNG, BG removed), http://anime-renders.blogspot.com.es/ 
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,27/femme-robe-mauve-ois-107263.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,33/fille-cheveux-long-c-103344.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,51/Artgerm-Stanley-Lau--92280.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,54/Femme-robe-capuche-p-90087.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,55/Mariyumi--89299.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,61/Fille-Fleurs-Bouquet-84279.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,63/Fille-Kimono-bleu-ta-82969.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,65/Fille-Bleue-Priere-P-81346.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,66/Fille-Blonde-Nature--80795.htm
http://www.renders-graphiques.fr/galerie/Filles-Femmes-109,67/egyptienne-fleur-bij-79799.htm

Soa Lee's PNG (background removed)

 http://brutstaedtederhoelle.centerblog.net/rub-tuben-von-soa-lee--2.html?ii=1
(For more from other artists, click http://brutstaedtederhoelle.centerblog.net/ )

For anime render (PNG, background removed), click http://www.renderat.com/category/anime/page/3/

FREE Purikura (大頭貼) Maker

http://www.puricute.com/create/
http://purikura.me/

New Found FREEBIES

This has many freebies, but I am not sure about the term of use. https://marketplace.secondlife.com/products/search?search[price_high]=0&search[price_low]=0 
 Can they be for commercial design or just personal use? I do not know.