How do I speed hack and weapon hack?

Can someone please tell me how to speed and weapon hack?
Please?

....is there a menu on a hack you downloaded or is there hotkeys for it.or are you just asking if there is a way to do these without hacks

http://www.mpgh.net/forum/175-crossf..._6_2009_a.html

Dave's hack, it has alsow wall and chams and a lot of athor stuff, but you whit DELETE,
You choose what you want to activate, and what not.