DO NOT USE THE IMAGE BUTTON!
Just simply type out these tags:
[img][/img]
For example:
[img]http://static2.otland.net/i/otland/misc/header.png[/img]
Result:
Just simply type out these tags:
[img][/img]
For example:
[img]http://static2.otland.net/i/otland/misc/header.png[/img]
Result: