I know its common for people to not really care for tricket-y type favors, but my father, who is a very talent woodworker, has offered to make small wooden boxes for each guest, then I'd probably put a candy or something inside with a thank you/handmade with love by XXX tag. It wouldn't have any indication it was from our wedding. It would be like something like the link below, but smaller. He's made gifts for my family before and they cherish them.
Re: wooden box favor?
I think it's a nice favor though.