I typically wouldn't link to another site like this, but the formatting and amount of videos makes it way too much work to post, and it would end up being super unorganized.
Please visit this thread for a complete guide on how to do every dc challenge on platinum. Each event is hyperlinked in the thread, so just click the challenge you are interested in:
http://www.xbox360achievements.org/forum/showthread.php?t=31...*All videos use default set-up, and have individual commentary with tips and tricks.
You can also go to this YouTube playlist, that has all the events based on alphabetical order:
http://www.youtube.com/view_play_list?p=88A4D0B334EFE7DDI hope the fact that I linked doesn't influence negative votes, but this is the best solution I could give everyone. Thanks.
Any questions? Please feel free to post comments to this solution or in the linked thread on x360a!