welcome! that door panel looks fantastic, great job!
body paint, yup, toughest part of these little buggers, did my first paint job twice [and still wasn't happy]. lot of ways to strip the paint, then you just start over fresh. lot of good info on how to strip paint, how to fix little mistakes, and how to really make it shine on the site, lot of good reading, it taught me a lot.
keep on going, it's looking good so far.