Images disappeared overnight

I uploaded some coupons yesterday, everything was fine.

This morning all the images disappeared (i.e. retailer logos). However when you click on a title the image was there on the listing….

Bottom line is, [IMAGE] doesn’t seem to be working now, but [IMAGES] is. The plural version centralises the image, the former doesn’t. However when you click on ‘show shortcodes’ under extra options, it is the [IMAGE] shorcode that it gives and not [IMAGES].

Question is: does the shortcode given need updating or should the singular version be working as well. Also is this going to impact on CSV upload i..e does the header now need to be images instead of image?