I've got a quick hotfix for breast jiggle.
If you've figured out that simply removing the "skelinfos.bin" file from your localdata/bin folder stops the game from crashing, good for you! :D If you've done that but kept all other files intact, just extract this new .bin file to the same place, and breast jiggle should work again.
If you've uninstalled completely or removed more files, you should first install using the installer as normal and then extract the attached archive to localdata/bin, overwriting the old "skelinfos.bin" file, that should fix things so you can run the game.
Note that the animation mods still do not work, though they don't cause the client to crash; this hotfix does not address that.
Hope those are good instructions, cheers.