User talk:LSH

Upload
You need to go to Special:Upload to upload the image first before it can be added to the gallery, as Alex95 already informed you. 21:20, 27 November 2018 (EST)

I should have also mentioned this, too. After filling in the parameters for, remove the others you're not using. Also important is that you need to replace with any appropriate categories, in this case, Category:Super Smash Bros. Ultimate Images. 22:29, 28 November 2018 (EST)
 * File names should also be coherent, so instead of "117784", it should be the Koopaling's name followed by "SSBU". Additionally, it is, not  .  22:49, 28 November 2018 (EST)