Answer:
Well,
after long research, I found out that there is no available "HD VIRTUAL GIRL" for mac OS x 10.4 or 10.5 (SNOW) for right now, and I really don't there's gonna be in the future either =/ life sucks.
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BUT there is alternative way:
When I search on the web about 'Virtual girl for mac' I came across some interesting information on 'YAHOO':
http://answers.yahoo.com/question/index?qid=20081111180346AApoGDe
According to this article there is a 3'd party 'software' that can run a 'virtual girl' (RSS READER) on your desktop (Its called 'Desktop Keely')
--I'm a mac OS x 10.4.11 user, I know this site probably have viruses for windows users...use for your own responsibility!! --
ALERT:
http://www.g4g.it/2008/08/28/page-3's-de…
(To install just press the big red long bottom)
Well, I tried it and after quick 'adobe' installation I realized it was pretty cool :P
The thing is its an RSS reader but well you can close the RSS future and press the "come to play" bottom lol, she will pop up from the right corner of the screen make something sexy for about 5-10-20 sec and the walk away...and it repeat itself over and over...
WORTH IT IF YOU LIKE DANCING SEXY GIRLS ON YOUR SCREEN
There is also "Virtual Echo" from Fox and...
Deskmate Ultra: Trinity
Both are Adobe Air apps that work on Mac