a lot of people say this.
what about lincolns though? wouldnt you be able to spot 100% of the time?
barrel roll, or side flip
I can't say which is easier because I've only done a front flip, and that was this year. They are super easy if the jump is big enough. Here's the pros at 4frnt tech talk with tips on each:
frontflip (punch front): http://video.mpora.com/watch/kiWenYvgD/