Need help with php bb code thingy

[commes]

ok on my forum i want to put this bidvertiser code in my signature, but it wont let me how can i fix this.like what html should i allow to let me do this.

 

[axilant]

Well, do you own this forum? If not, then you cant Else, you can probably "enable" the html for the signature.

 

[commes]

yes i own it but i tried to enable the code but it didnt work