Scott — Sweeet! That must have been very fun, I'm glad you nabbed a frame :)
Joe's right, you gotta try clicking the sizes and colors, it's weird and glitchy.
As of this posting they have:
Small Gus: One orange, one mermaid
Medium Gus: None
Large Gus: None
XL Gus: One mermaid
Small Susie: One lime-olive, one gold
Medium Susie: One gold
Large Susie: None
XL Susie: One lime-olive, one gold