Look for the "Fly in Spain" thread a few lines down here in the Private Flying section.
At least you won't be treated like a criminal for wanting to train in Jerez. No fingerprints, or full cavity search or any of that crap when you step off your Ryanair flight
Oh, and the Civil Guard will not confiscate your water or sandwiches as a pilot (private or commercial). I guess they get paid a salary and can afford to buy their own.