In the rules section of the contest notice, they asked us to use some other image hosting site to upload our screenshots.
I use http://photobucket.com. It's free and fairly straight forward. Just be sure to set the album you put your screenshots in to "public".
When you're ready to add the screenshots to your post, enclose the pic's URL in these tags:
[IMG] [/IMG]
To put a pic in a hide box use these tags:
Edit: Okay apparently the forum won't allow me to show the tags as written so the hide box tags without the square brackets is:I hope this helps!
HB /HB
Alternatively, hightlight your image code and click the question mark bubble icon to wrap the code in the HB tags.