I am new to sing making and using routers. How do you rout scalloped edges on a board?

I need suggestions for routing stopped slots on a router table for small wall hangings.

Hello... I'm new here to the forum, and I have a question regarding how I might rout a curved groove out of a piece of wood that is 12" long x 2" high x 2" wide. I'm guessing I would have to make some type of jig, and that securing the piece of wood may be an issue, as it's not very big. I've...