Due to the amazing amount of ideas that have come in, I guess this isn't exactly a community coaster build anymore.
So instead I will just continue on my own but as I have already shown you some of the ride, I will do a build log of this coaster as I think it would be quite fun!
Today I continued adding to the circuit by adding an immelmann straight after the loop. Also, I thought I would try something new by adding magnetic rollback fins on the lift hill like found on the smiler. I hope to find a way to make them go up and down when a train passes them like on the smiler also. Plus, I decided the change the coaster type to a Gerstlauer Infinity Coaster 2 (as they are called in-game).
The lift with rollback fins:
The immelmann (it looks weird from this angle