Hi Ken,
Welcome to the Quilting Board!
I love the details on the salmon, although fish are not necessarily my "thing". I could see using the borders around a pieced center medallion, or maybe you could develop other appliques for the center.
I visited your site and was fascinated by your frame. It looks like a great option to get started with frame quilting and your detailed videos are great! The price is certainly right!
Best of luck,
Lynda