Thread:Paladin78/@comment-1816551-20190715062202/@comment-104549-20190715194300

Two points:
 * 1) When you have a question, post it on someone else's Message Wall; the user will get an email as soon as you post. I just happened to notice your post in Recent Changes, but you can't always rely on it.
 * 2) To your question, I expect most people use something relatively simple like Paint. You can get into something more complex like Photoshop or PaintShop Pro, but since era icons are so small, only the major details are going to show up.  Once you're ready to upload, just mouse over the three vertical dots in the upper right and click "Add New Image".  Be sure to read the Image Policy and its tutorial!