Urgent Help (My Forum is Growing) - Screenshot

[blogginghelp]

My forum is growing day by day and I am having some problems, please help me out.

I am unable to add any images in signatures, can somebody please help me and tell what should I do,

Please look into the screenshot below, I've tried BBCode as well as HTML.

[.m.]

check below settings

admin panel >> configuration (settings) >> Profile Options -->
Allow MyCode in Signatures <-- select yes
Allow [img] Code in Signatures <-- select yes