What great fabrics to use together! I'd like to see the bunny fabric in a larger focus square and scrappy the others around it. I'm not sure how the light pink would work unless you fussy-cut the bunnies. Are those two pieces directional? If so, be careful how you place them if it matters in your final project.
Without a lot of web surfing, Disappearing 9 patch comes to mind, using the darker bunny fabric in the corners so they don't get sliced up. It's a quick one, too.
I looked up Disappearing Nine Patch and found a YouTube Video [h=1]Disappearing Nine Patch Quilt Block Tutorial Quilt with a Scalloped Border that I think would look so cute with the Gray Bunny Fabric as the large focus block as you suggested and also as a wide scalloped border. I'll mess around with the pattern and I'm thinking maybe the pink fabric for the center (cut) squares?[/h]