So I use Photoshop to make mine, and I made a little tutorial video that uses https://www.photopea.com which is just an free online photoshop.
with it you can play a bit more freely and get clean images like these:
in the video I said I would put a link to Fontspace where I get most of my fonts
Don’t kill me for any typo’s I have dyslexia. also sorry if it’s hard to understand, I’m not the best in explaining things