Ok you take the picture with the PrtScn Button = Print Screen
Then open Paint and Paste it. Then Save it.
Then go to ImageShack® - Online Media Hosting and upload it - Picture Below
Now once you upload it copy the link - Picture Below
Once you have that link copied come back to MPGH.
And paste the link in between the tags [img] [/img]
Example = [img] http://img62.imageshack.us/img62/8593/imageshack2k.jpg [/img]
But no spaces