This was a fun theme. My regular “hand model”, my daughter helped me out with this one. I tried to portray the universe as “infinite”:
And what’s a universe without the Star Trek Enterprise? Yes, I am a bit of a Trekkie 🙂
Credits:
Background, Enterprise, & Universe sphere: Google Images
Grunge Frame: HG Designs
lutkaandco.com 
Wow. Lovely background & colours.