I had to write a covering letter. I had to write a prototype CV for a uni assignment, and it had to have a covering letter. It stuck in my throat a bit, because social work employers will not accept CV's these days, it all has to be application forms.
I haven't completed a paper application for ages, always apply for jobs online.
On the interest front, I mentioned opera, European travel and green issues.. happy to talk to prospective employers about standing in the elections.
With regards my summary, I think it reads rather well. I'll have to wait and see what my lecturer thinks..