Prevent Adding Signature Images And Links

[Scott S]

I was wondering if there are any plans to update this for 2.0RC3?

[L'AltroWeb]

I've many user that regist in my forum only to put more link in signature.
Now i've installed this mod and seems to work fine.
Anyone know a good query (maybe a php script) to remove/edit all signature for users who have less than 5 posts? (simply to make it retroactive)