LOL! Well of course its Olivia!
I'm assuming u mean a clean picture, like, without the writing on it? Since the foto's were specifically taken for the LAFCO poster campaign, I'm not sure that the originals have been made available.
If u can't find it on any of the major Olivia Wilde fansites, then I would think that it definitly not available. Its not on Tao's website either, so the chances of there being a clean version are pretty slim. u could try this LAFCO site:
link The foto's were taking too long to load on my computer, so I couldn't look through them sorry.