Things I'd do if I were Eru (Note: You are entering the mind of a Hobbit. BEWARE!)
1: Introduce blackjack to the local elf population and see what happens
2: Have Pippin develop an acute addiction to mushrooms
3: Make HOBBITS immortal
4: Reunite Elrond and Celebrian (HAPPINESS!)
5: dye my hair red........
6: Turn Saruman into a two year old
7: Give Legolas an obsession with treasure!!!!