mydavidcameron site which has spoofed the Conservative Party's recent media campaigns with some genius parodies. If you want to be a language nerd about it (and that is a good thing to be...not like being a Tory) you could have a look at the language techniques employed in the parodies - grammatical cohesion, semantic wordplay, pragmatics, the whole lot - and think about which ones work best.
But, more importantly than all this language stuff, make sure that if you're 18 now or by the 6th of May you're registered to vote. Find out more here.
And remember: if you vote Tory, I can't help you with your exams. It's the law.