Interested in doing a Batrep...suggestions?

Hello Everyone,

This weekend I will be playing a bunch of 40k with my friend who plays eldar. I'm thinking, why not do a couple Batreps? I'd like to hear from you guys what makes a good batrep. I'm thinking of using my phone for a videocamera (should be good enough Galaxy 3). I will also note that I don't play a lot and I'm new to Deldar, so I'd also love to hear your thoughts on the decisions made and game/rule mistakes made if I do Batreps.

Kosher for everyone?
-ligs