This is the pronunciation channel of Vaughan System, where you´re going to find lots of examples of pronunciation of chunks which can be tricky for Spanish students (it´s a..., shouldn´t have..., etc). Highly advisable.
This is the blog of an American teacher who´s been teaching in Spain for many yeras, so he knows well the mistakes that native Spanish speakers make when pronouncing English. Here you can find some of his most popular posts (with audio). They´re written in Spanish and he´s got a great sense of humour: