Watch the grass scroll over everything (that's the loading screen), press space... Buildings - Click up/down keys to change. Click once to drag it. Click again to drop it. Stamp button to stamp. Roads: Wait until the round part is pointed in the direction you wish to make it go ex. If you want it to go ->, then make it point ). Then drag the other round thing to where you want it to end.
I added: Trees, Pillars, Rocks, Sulfur Lake water, and Ancinet Ruins.