Quote the guy above you, or someone else.
Go to advanced mode.
Your quote should have a number to it. (Example : [QUOTE=RLVG;000000])

The zeroes there are a number. It's currently somewhere around 000001 and 540000.
Your goal is to edit that number to a random number between 000001 and 540000.

Then once you're done, post.
Check your quote, there's a [>>] button beside the name, click it.

Quote or copy the quote, edit your post and put it on the bottom.

Why are we doing this? Just because.