Check out MinecraftCostumes , they have some cool costumes and awesome accessories too.
The best way, is to make it. You might be able to find a place that gets full costumes on google. The official minecraft store sells creeper/steve heads too, so thats a start. Be creative!
They actually make costumes you can buy (frankie stein, etc.)
I didn't make Minecraft.
At your home make costumes that you like from tv or books if you don't know how find someone that is really good at making the costumes. Good ideas for costumes are naruto character costumes or any other costume you like.
you have to make them
you can get it in buy costumes .com Your bunghole
Costumes are a 'disguise'. Costumes are combinations of different clothing or accessories that will make you look like someone else for Halloween.
There are no keys in minecraft!
It depends on the budget that the movie is on but most movies today will make their costumes instead of renting them.
how to make a fire works in minecraft 1.5.2
you can't make a pencil in minecraft, but there mite be a mod for it.