This is website shows Mexican Sign Language. There is a youtube video that has a guy demonstrating some signs and there is a link above the video with a Mexican Sign Language dictionary. I thought it was really cool so check it out!

'Life & Deaf' is a unique Speech & Language Therapy project, in which Deaf children explore their identity through poetry in written English and British Sign Language. 'Life & Deaf' aims to develop children's communication skills, their sense of identity and their self-esteem, all essential for good mental health.