Not sure if they're oranized by game or artist, but these were all posted on 4chan's /e/ board. I thought I might as well share them.
They seem to be just selected ecchi CG in a few different downloads. Enjoy! :3
http://rapidshare.com/files/5539191/CG_Ecchi_Only_07_.rar
http://rapidshare.com/files/5551397/CG_Ecchi_Only_10.rar
http://rapidshare.com/files/5543766/CG_Ecchi_Only_08.rar
http://rapidshare.com/files/5531507/CG_Ecchi_Only_06.rar
http://rapidshare.com/files/5414723/CG_Ecchi_Only_03.rar
http://rapidshare.com/files/5415846/CG_Ecchi_Only_04.rar
http://rapidshare.com/files/5546273/CG_Ecchi_Only_09.rar
http://rapidshare.com/files/5528607/CG_Ecchi_Only_05.rar
http://rapidshare.com/files/5405401/CG_Ecchi_Only_02.rar
http://rapidshare.com/files/5403445/CG_Ecchi_Only_01.rar
They seem to be just selected ecchi CG in a few different downloads. Enjoy! :3
http://rapidshare.com/files/5539191/CG_Ecchi_Only_07_.rar
http://rapidshare.com/files/5551397/CG_Ecchi_Only_10.rar
http://rapidshare.com/files/5543766/CG_Ecchi_Only_08.rar
http://rapidshare.com/files/5531507/CG_Ecchi_Only_06.rar
http://rapidshare.com/files/5414723/CG_Ecchi_Only_03.rar
http://rapidshare.com/files/5415846/CG_Ecchi_Only_04.rar
http://rapidshare.com/files/5546273/CG_Ecchi_Only_09.rar
http://rapidshare.com/files/5528607/CG_Ecchi_Only_05.rar
http://rapidshare.com/files/5405401/CG_Ecchi_Only_02.rar
http://rapidshare.com/files/5403445/CG_Ecchi_Only_01.rar