The issue can be solved usually by changing your preferred page editor. See your preferences and attempt to save your preferred as the Source Editor. At that point, you can try copy-pasting the source code of images and do the edits appropriately then.
If you need further help, I can help guide you if need be.
Hello. As stated in the Episode Policy, you're not allowed to post unofficial and illegal ways to watch Steven Universe episodes. This has earned you a warning. It is recommended to link such episodes through Google Play, iTunes, or simply recommend one to see it on TV at a specific time.