i love google and google-products.,such as gmail,gtalk.
but,
you will know this is not complete still now,also picasa is beta.
some of google products have many problems.
at Their Office,Google web masters was solving a lot of troubles all the time.
so,Anyone should be not depend upon some technology absolutely at this time(or free offer).
please learn for picasa problems.
picasa review
official picasa problems
offcial picasa problems
picasa tips
un-official tips