Hi there. May I suggest using Jetpack’s Photon module instead of this plugin? Photon will use WordPress.com’s servers to generate thumbnail images for you on-demand in whatever size is needed. This means that you don’t need to use my plugin to generate new thumbnail images when you switch themes, change thumbnail sizes, or anything else!
Don’t want to use Jetpack? That’s okay too. My plugin still works just fine.
Regenerate Thumbnails allows you to regenerate the thumbnails for all of your image attachments. This is very handy if you’ve changed any of your thumbnail dimensions (via Settings → Media) or switched to a new theme with different featured image sizes after previously uploading images.
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