When you post on here, it's a good idea to use the "Insert Image" tool, just below the "bold" tool in the toolbar above the text editor.
Simply drag your image into Imgur, right click it, "copy image URL" (or whatever your browser calls it) then come here, click "Insert Image" and paste in your URL.
When you use this tool, you can post the original work at 1x pixel scale. When you click the image, it expands in size. This makes it easier for people to make edits and view it at different sizes.