As with most other forums, using GD bbPress Toolbox plugin you can add user signatures. Signatures are added after the topic or reply and they can contain HTML or BBCodes markup.
On the bbPress user edit panel, plugin adds new form for signature editing (as on the image on the right, with the notice about signature size and HTML or BBCode use. Similar form is added to the WordPress admin side profile editor.
Signature form
GD bbPress Toolbox settings for signature allows you to select user roles that can use them, and what kind of content is allowed in the signature.
