My Preliminary Exercise

This is the first video that I have made. The quality isn't the best and i have edited it as best I can given the footage but I have included some basic keylight and masking effects as well as using a match on action shot, and a reverse shot, keeping to the 180 degree rule.
I have also edited the picture, taking the contrast down a little so that it decreases the amount of colour, making the picture a little less warm as this is the effect I am looking for. There were also some anomalies within the audio, which I have edited out.
For the editing if this exercise I used Adobe After Effects CS4 on both Mac and Windows.
Here it is...