CWNews.com has a good roundup of links to the Vatican website where I was able to get these links to English versions of the Holy Father's words in Spain.
Pope Benedict's address upon departing from Spain
Pope Benedict's Sunday Mass homily in Valencia (full text, scroll down)
Pope Benedict's address to World Meeting of Families (full text, scroll down)
Papal letter to Spanish bishops; Angelus address in Valencia (full text)