Couple notes: First, a TPWD game warden I talked to said it's illegal to return live tilapia to the water. Either kill 'em first or don't throw 'em back. Really, he said that, could conceiveably issue a citation for it! This means, of course, no limits, and feel free to use a cast net and catch tons. Invasive species. That's the official word as I understand it.
Second note, DD's (partially
) right: take any lure with a big sharp hook and rip it through the school, it's almost easy to snag biguns and have a decent little battle on your hands.
I don't yet know what it takes to get 'em on the fly, but can't wait to find out. Geeze, that'd HAVE to be FUN.