hello...
i use only specific key word
i wish i could find more but my knowledge is basic
key word such:
bachelorette, stripper, name of places (only "sexy" places) with ocean. greece cyprus egypt thailand...
use picasa translator to find the name in originall language.
moreover simle stuff like picture you save in your computer under certain name
new folder! my pictures! cell....
hope you find something and if you know stuff about html
it will prodably be easy to find pics using really advance function (don't know nothing about it)
and last thing... use picasa advance search bar (faces and order by date)