The problem is when i upload a png file that shows a black background like you Discord, how to get rid of that? And yes i have read those above comments but i could not get what exactly hyper link is. Does it mean clickable ?Thanks for you help though
You can make the image to become transparent using photoshop. There are also tools in which you can find on the internet to make the image transparent.
And yes, inserting hyper link in the bbcode means that the image is clickable.