New clothing set for Aiko4 from the ever-generous and ever-busy MammoMammo:
http://blog.goo.ne.jp/mamomamo_2007/e/a67a64373b2ab78b78e8cf261f7c9d4e

For ChibiBel and NearMe some more risque items in exotically encoded (UPX ??) executable files http://rolfee.mars.ddns.vc/
Creator says Trend Micro gives false positive for malware threat. Download and use at own risk, is what I say.
(For the latter website, I can see the Japanese fonts in Firefox, but it's all garbled in Chrome.)

Eternal Hobbyist