I always click on "My Subscriptions" which brings up a Control Panel menu to the left of your subscriptions. In the section titled "Settings and options" select the edit signature line. I believe you can have up to 5 things (gallery links, quotes, swap links, blog links, etc.) Hopefully this is clear.
As my best friend says, "Stamping....it's cheaper than therapy" to which I add, "Not by much".
My mom was the proud recipient of my first handmade card. Cost $200.