How do I add images into my signature?

[Henry]

So, I'm in #United, and there's a clan picture. I want to add it to my signature, but as you can see from my signature, it's not working. Can someone help?

 

[kaiomann]

Upload it to imgur and post the BB code in your sig maybe?

 

[Henry]

Upload it to imgur and post the BB code in your sig maybe?

Whats the BB code?
EDIT: Nvm, thank you