I have seen a lot of people asking how to host images to post on forums etc. I have found a *great* website dedicated for hosting animated .gifs, .jpgs etc, That is as well
FREEhttp://www.photobucket.com/easy as heck to use, now lets see those pics of your exploits

(If you need help capturing ingame screens you can use ingame screen capture button 'set it in options', or use your prt scrn* button located next to f12 button)
*Prt Scrn is a 1-shot pic taker, it saves it in temporary memory which you can simply recall by going into microsoft paint or any program like it and hitting edit>paste, then save it as what ever you would like.