Custom background

How to get different types of background onto your profile, is it a beta feature?

No.

Go to settings, theme, and then background

sorry, the first one was supposed to be:

Thanks 

General site related questions should go in the general forums or Help and Support club.

does anybody got some cool background images?

I have an imgur album if u want @kraken29722

this is my desktop background.

+ Green board + Club pieces = The best Green chess set.