Hi Josh....in the upper left hand corner of a webpage, click on the "My Account" link, which will take you to your profile. Once there, click on the "Edit" button.
You will then see a place to put an image tag for your pic...and a place you can type in whatever you want for a sig.
Life Member David BB Linkmeister
US Army '78-'85
West Coast Member of da EH! Team
Kangaroo Kounty Razzer-in-Chief