Hello TK
Most folk here are also self-taught, so don't let that put you off!
Pleased you find the site helpful. Now you are a member, you will hopefully find it even more helpful.
If you have been looking at the site before, you wull probably know your way around, however, you might find
this tutorial helpful in resizing your images for posting, and
this one on how to post images.
Please ask if there is anything you need.
Enjoy.