Some Tips for GMailI see a lot of students and staff with very vanilla GMail setups. There are a few quick things you can do to customise your experience. Have a look at the vid below - I take a vanilla setup to a more personalised look in a few minutes.
Just an update to this - a new 'compose' window was launched yesterday. I'd suggest you go with it when prompted. Quite slick. It adds an 'add picture' button - so the addin is not really needed any more.