jonny53219 (!empty($user->lang['WROTE'])) ? $user->lang['WROTE'] : ucwords(strtolower(str_replace('_', ' ', 'WROTE'))):
ok first,download cheatengine
http://cheatengine.org ,if you already have it open it.Next click the computer in the corner of the screen and find WoW.exe,click Add Address's Manually,put in 88B720,then look down it will be under there and change the Value "under the value tab" to 1.Go Back Into WoW,voila! You can climb mountians and lots of things.
This is Obvious But you can speedhack too with pressing enable speed hack,to not crash the game you change it between 1-12.
Have Fun!