Simple question!

How do you write stuff below your posts? Like alot off people have the link to there steam there and i would like to do that and dont know how too?

Go to your inbox. On the left side click edit signature. Add whatever you'd like ;).

http://forums.trendyent.com/profile.php?do=editsignature

There are limits to how many emotes/lines of text you can have, but apart from that, it's like making a post.

Thakyouuuu!!!