Thanks to Leppie who offered help.
I got it to work by using
Code:
rm ~/.thumbnails/fail/gnome-thumbnail-factory/*
The code above deletes off all the references to failed thumbnail generation and enables Nautilus to generate them. I have previously installed and configured the system to display RW2 thumbnails, but it is not retroactive thus requiring the deletion of the said references.
I will be closing this thread once I managed to figure out exactly what packages are to be installed and what files to tweak before deleting the failed thumbnails.
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