A philosopher who is not taking part in discussions is like a boxer who never goes into the ring. ~ Wittgenstein
Philosophy can sometimes get a little heavy. It is one of the oldest academic subjects, and it's tough! It's also incredibly rewarding and the skills learnt are invaluable for all kinds of further education and careers. It's a real skill to enter into philosophical discussion - and even harder to summarise a whole complex idea into 3 minutes. However, many try to do just such a thing. Here are some examples (focussed on EdExcel AS/A2 Philosophy and Ethics syllabus):
St Thomas Aquinas:
A full list of 14 vidoes can be found here: http://www.youtube.com/watch?v=HlBA9_3zj9w&list=PLC8B9FEEB6117B81C
What philosophers could you summarise in 3 minutes? What philosophical ideas could you summarise in 3 minutes?