IF your images are not showing for a UI/ STore or other plugins do this below.
Fix to try first

In RCON/server console:

oxide.reload or c.reload ImageLibrary
refreshallimages
yes

Then reload any plugins that depend on ImageLibrary, like shop/UI/event HUD plugins.

Safer manual fix

Stop server, then back up and delete:

oxide/data/ImageLibrary/image_data.json
oxide/data/ImageLibrary/image_urls.json
oxide/data/ImageLibrary/skin_data.json

Then start server and reload ImageLibrary. This forces a clean rebuild.