You get centrifugal force.

*Inserts a polish sausage*

You get an Italian sausage.

*inserts a handfull of minitroopers*

You get a paratroopa

*Inserts Mario Kart Double Dash*

You get a bowser dog as a pet.

"insert a Chameleon"

You get a lizard with a habit of changing colors from green to brown

*Inserts my Spektrum DX6i transmitter*

You get an awkward alien message in another language!

*インデックス カードに書かれて厄介な外国人の言語でメッセージを挿入します。*

you get немного кириллицы.

*inserts Samsung Galaxy S II*

You get an early prototype of the ICT Halberd (it's still in R&D).

MyNameIsNotPa says:
You get an awkward alien message in another language!

*インデックス カードに書かれて厄介な外国人の言語でメッセージを挿入します。*

I can tell it's in Japanese.

"Insert a foreign language in a nasty message was written on index cards.", according to Google Translate.

*Inserts a BC-304*

You get a plane that needs 3 people to fly it. (amirite?)

*inserts a yt link of my most recent video* *snort* *snort*

You got a 404 error.

"Insert a finger."