I have various animations and several copies of the Zhao AO, but I've yet to seriously set up an animation overrider.
I just need to set aside time to pick the animations I want--natural looking (I've seen some that cycle through poses that I can't imagine anyone assuming!), modest, and of course nothing that gets in the way of prim breasts.
Time to search and see what others have found.
UPDATE: Do read the comments; Danball Tureaud mentions a typing animation that stays safely above prim breasts.