oh yeah sure.......
first ALL, you need to have paint.......so make a new window with paint
second, press the ''print screen'' button (usually next to f12
thrid, go to paint, than edit, then paste.
fourth *extra step* if you want, circle or edit something on that
5ith, go to file, then ''save as'' if you want to make changes, click save after youve saved your photo.
sixth, upload it on a website, like tinypic, photobucket, etc.
seventh, find the code for forums, and paste the code here
third