How do I create a banner?

Get a images url then click on the tree next too link then enter it

There are a million ways to create a banner. I recommend you Canva, even tough i don't have an account.

To use it in a post, just go to Cubeupload, make an account, and upload your image!
Then, get the link, and use this to post it:

Like this:

miagupta wrote:

Get a images url then click on the tree next too link then enter it

This won't work. You need a supported image host like Cubeupload.