I put this in "Off-Topic" because it gets the most views. Alot of you probably don't know how to report a hacker, but really want to. So this is how.
http://forum.z8games.com/showthread.php?t=220^^ The link above is an official step by step guide by Z8 Mod Saidin teaching you how to report.
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To report, you will need to be able to upload your screenshots/replays to mediafire or megaupload
Here are the links to those websites:
http://www.megaupload.com/? <- Megaupload
http://www.mediafire.com/ <- Mediafire