is there a simple way to have have the check box next to “show signature” automatically checked?
probably a really stupid question, but I want to know.
Well, as I’ve always said, there is no such thing as a stupid question, just a stupid answer.
(Hopefully this won’t be one of those)
Alas, as far as I know there is not.
It’s due mostly to the fact that it’s not really neccesary to have your sig displayed after every post. I usually limit my self to one sig display per thread. Keeps it a bit more fresh that way. 
No, there is not. Having the sigs show automatically all the time really slows things down around here. For the record, this should be posted in ATMB.