FyCFinest

Then your clip will appear after a few minutes, you'll have to pause it every second, screenshot the picture, paste it into paint or an image editor on your computer, and then save it from there. I know its kind of a hassle.

Right. Go on Halo, hit start, go to Files, and then screenshots. Slowly scroll through all your screenshots (maybe a shot every second or so) and then once you go through all of them, then record a clip of the last 30 seconds using the record clip feature.