Agustí Puig is the painter whose painstings can be seen in Vicky, Cristina, Barcelona. One can read more in http://www-org.lavanguardia.es/premium/epaper/20080520/lvg200805200371lba.pdf

You can know more at http://www.agustipuig.es I cannot say now but I think that being Puig from Sabadell and ig as a surname I may know people related to him. I do not know now.

You can visit the website of the painter at http://www.agustipuig.es. There you can see works of him as this one:

At http://www.3cat24.cat/noticia/280591 you can see a video with Agustí Puig and his paintings (and also you see Giulia y Los Tellarini!)

Rosa Mujal also appears in some news as one of the painters involved in the film. I do not know more yet …

By the way, who painted the grafitti behind Penélope Cruz….?   No me ….