Reload the cards, see if that fixes it.
There is a zip somewhere in this thread that has all of the files.
Download the cards from there to be sure they retain all of their properties.
You may just want to try restarting FTP as well.
Regarding the Fold, Sit Out and Post button, here are a couple of transparent ones:
You will need to be sure they keep their transparency.
If they lose it for any reason, look for Irfanview in this thread and fix with that.