1. Take full image link:
Code:
http://h-2.abload.de/img/wowscrnshot_120410_163s912.jpg
2. Replace "/img/" with "/thumb/"
Code:
http://h-2.abload.de/thumb/wowscrnshot_120410_163s912.jpg
3. Add [img][/img] tags
Code:
[img]http://h-2.abload.de/thumb/wowscrnshot_120410_163s912.jpg[/img]
4. Add [url=full link] (the link from 1.) tags.
Code:
[url=http://h-2.abload.de/img/wowscrnshot_120410_163s912.jpg][img]http://h-2.abload.de/thumb/wowscrnshot_120410_163s912.jpg[/img][/url]
5. Done


Thanks to whoever I snatched that screenshot from.