I accidentally clicked on "remove" when trying to click on an image in my favorites and now i lost it and cannot find it again despite searching for a while :/
It'd be nice if that couldn't happen.

This site receives very little to no support from the devs. It's very unlikely a change can be made like this.

Try to remember most tags you can (negative tags could also help)...and grab a shovel...thats your best chance.

The userscript has this feature