Well then you just have to commit, if you want a laugh have a look at my first front flip attempts, the first couple I did were actually more like rolly polly's to get my confidence up:
[youtube=425,350]iBgevHZBTeA[/youtube]
Once you have that base of not being scared, it just practising and making sure you've got the right technique.
If a couple of you work at this together it will help you no need, you can all push and motivate each other, and once one person lands it you then have an act to follow.