Share 'Art Institutes/Collectives in Spain?'

Hi - I'm looking into heading to Spain starting Summer 2013 to advance my Spanish language skills while maybe taking a summer or semester course at an art institute in Spain, but don't know where to start with my search. I'd like to do illustration or comics. Even better, I'd also like to join a collective, but not sure how that works in Spain. As for cities, either Madrid or Barcelona. Any…