Try adding the xbox 360's port to allow access through the router. (I think it's 3074, but that may be a bot port, lol) Also, try unplugging all internet other than the 360, that always works.
You could use my app, H3 Screenshots. It's open source, and is simple. You press Extract, and it will extract the image you select. You press inject, you open a CON file, then an image. Simple as that.
Hosptials get priority internet for stuff like that. If they begin to loose speed, I'm pretty sure they'll just take city blocks offline to speed it up lol...
Not even a day ago you posted a .bat trojan claiming it to be a modding program, in the wrong forum (even application), and didn't specify what it even did. Now you're only proof to be a trusted seller is to goto xblhackers.com, and rely on one persons word? lol...
I've decided to go through my board files and remove the old ip.board 2.x installation lol... Quite a few folders in there, just taking up space... lol