Ayu's official site
recently announced that new mobile themes featuring special shots of Ayu's 2011 calendar is available for download for au (by KDDI)
Android phones. The compatible models listed; IS03／IS04／IS05／IS11SH／IS12SH／INFOBAR A01. Although these themes are limited to the Japanese mobile, do check out the variants of the calendar shots below!
The CM can be downloaded via Download section, or direct link here