This worksheet can be used with the video above. A nice instant lesson!
Here are some fine worksheets for this topic.
Also see the presentation "Essential Br. Eng."
It is fun for higher level learners to learn a bit of street talk and slang. Here are some British slang resources that might be fun to use.
Also see the flashcard set for the ppt.
Also see this handy glossary of all the top British slang terms for reference.