When you go to edit your signature, you could either close the tag by adding a "[" in front of it, which will turn that underbanner into a link to draynor.net, or simply remove that part, like this:
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[url="http://leetscape.com/"][img]http://stats.leetscape.com/black/voidranger1/nadler99.png[/img][/url]
[url="http://leetscape.com/"][img]http://goal.leetscape.com/grey/runescape/smithing/69/nadler99.png[/img][/url][img]http://www.draynor.net/item/orbclaw/questpoint/259/270.png[/img]