I'm sure it's going to be tough getting someone from TV to come pick them up all the way in Clearwater, they might be afraid of getting stiffed unless you paid them in advance. However, then you might be the one getting taken.
Try looking on the St. Pete end, here's a shuttle company working out of St. Petersburg-Clearwater Airport (PIE), give them a call.
St. Petersburg-Clearwater Airport Service - SuperShuttle