Really useful plugin; could use a little polishing

Performs a really useful function in a generally very usable way. I really like this plugin.
Operation is sometimes not 100% obvious (the individual thumbnail regeneration window is a little confusing in terms of what needs to be clicked on), and the main settings screen has some kind of warning that options have not been set even though they seem to be – not sure what that’s about.
Otherwise, a very useful, efficient and effective tool!