BlenderCoolStuff

First,press x(do not mess with anything!)then say erase selected objects.Press space>Meta>Meta Ball and then,press Shift+D and Presto!You have another Meta Ball!Ok heres  the last thing,press G to move it and S to scale it(Make it larger).

 

First press space>mesh>plain.Then,a square pops up.Press W and then press subdivide multi and then click the arrows till it's 4 then press enter and you have a bunch of dots(vertices).Right click on one in the middle and move it a bit and press Z then move up and stop when you want and then press W again the press Smooth then W again and press set smooth(make sure you press A before you do this!)Voila!You have now a mointain or hill!