Glad you like it, we're trying to use these "notices" to promote various things going on. Our hope is it will help existing members keep tabs on new things going on and also encourage lurkers to join up!
Yes, that is your signature. If you look at the post above, Sunny & the 5 egg layer's signature says:
I knit baby goat/sheep sweaters! All I need is measurements, you pick color(s)! PM me for more info!
Dogs are not our whole life, but they make our lives whole. ~Roger Caras
One way to quickly find all the threads you've posted on, hover the cursor over your name in the top right corner of the screen, you will get a drop down:
Look at the right column > "Your Content". That will bring up a list of all the threads you've posted on. The alerts will also notify you of any new posts on a thread you've posted on recently.