TIL that sign languages vary dramatically between different countries. American Sign Language is related to French Sign Language and signers of both can understand each other some but British Sign Language is unintelligible to them.
British Sign Language: An introduction to BSL, with video demonstrations of signs for colours, home, school and weather, and a super set of free fingerspelling resources. These include a fingerspelling machine which will show a video, or produce a print out of any word you type. There is also a downloadable fingerspelling game to help you learn the 2 handed fingerspelling alphabet, a tool to send a fingerspelling E-Card, and some fingerspelling charts, magnet sheets and clipart to download.