How to use [img][/img]?

[Zero.O]

I need a tutorial.

[Ad Bot]

[Daswiruch]

take a direct image link
ex: http://i.imgur.com/YFo0vOo.jpg?1
do image tags
ex: [img ]http://[/img] (without that space
shove that link in the middle of 'em
ex: [img ]http://i.imgur.com/YFo0vOo.jpg?1[/img]
ur done

[Thorfin25]

[img]http://url[/img]
So something like
[img]http://i.imgur.com/nX2StL9.jpg[/img]
will show up as

[Zero.O]

Thank you guys.