This was a pretty fun vid, but I think you tried a little too hard with the transitions on some parts (0:15, 0:22, and 0:39 to name a few). Not everything needs a mask or a big zoom to get to the next clip. I'd rather see all that work be put into cooler internal sync or some lyric sync. Also, that ending clip didn't really feel like a good ending.
Overall, I see you were going for those random funny action vids, but you need to learn how to tone down and moderate some of those transitions.