: (BOTH of them.)

: http://bit.ly/SillyGooseH4SFXPackDownload

: http://halo.bungie.org/news.html?item=31918

I actually have both of those, but they're still a bit smaller than what I am looking for. :S

The Halo 3 one had 1000x1000 .png files or an .ai file that had all of them and could be resized.

http://halo.bungie.org/misc/halo3_hiresmedals/

(also, unless it's been updated since I grabbed it, the Halo 4 one was missing a few items)