Fun things to make/create with
MineBack 
Ultimate
's new map editing features:

Part 1 : Floating Sand and Gravel Land

Using the MineBack's block replacing tool I removed all the blocks from the world appart from Sand and Gravel.

Falling Sand Land, Screenshot 1 Falling Sand Land, Screenshot 2

Then I just punched the ground and ran for it. Its kinda a fun game in itself to see how long you can stay alive ;)

Just for a limited time, here is the map I made for download : Floating Sand & Gravel Land