I'm hoping that with this thread we can have all known scenes for these lovely Mouselettes in one place. Some of the links provided in earlier threads are still active, and I myself have copies of some of the books containing DiD scenes, but unfortunately not every illustration has made it into the English language versions so I'm still missing a few, so I guess this thread is partly a consolidation effort and partly a request for the missing images.
Thea Stilton and the Legend of the Fireflowers
What we still have:
Hypercat-Z made a great collage of each illustration in this amazing scene http://i.imgur.com/MAZWcNW.jpg
Here's a shot of Nicky's closeup with the text on the page if anyone wants it
https://i.imgur.com/T4SAvwz.jpg
What's missing:
Nothing
Thea Stilton and the Secret of the Old Castle
What we still have:
Every link provided by Nandah in this thread http://westerncivilization.trifecta3.ne ... stle#p2376
has long since died.
I have a copy of this book, so was able to find the main illustration of the girls, bound and gagged, slamming their feet against the walls to alert someone to their plight
https://i.imgur.com/n9qhJir.jpg (sans text)
https://i.imgur.com/zfNlpCA.jpg (zoomed out just enough to reveal Pam's cute "mmph" in the text)
What we don't have: Unfortunately Nandah was working from either the Spanish or Italian version of the book. The English language version does not have the illustration for "a small view of the girls locked in the larder" which Nandah mentions. The other two images that Nandah posted are there, but they aren't actually DiD moments so I haven't included them.
Thea Stilton and the Ghost of the Shipwreck
What we still have:
https://i.imgur.com/LC8FkoG.jpg
This very famous scene is one of the few illustrations from the books that is easy to find with a simple google search. I should note that this image is not actually in the English language version of the book.
What is in the English language version is a later scene of four of the girls being tied up on a pedestal in Violet's nightmare.
https://i.imgur.com/kmoETBi.jpg
What we don't have:
Nothing, that's it for this book.
Thea Stilton and the Prince's Emerald
What we still have:
Nothing

What we don't have:
http://westerncivilization.trifecta3.ne ... ters#p9748
In this thread Bill K mentions a scene of Nicky and Pamela, but the link is dead.
Thea Stilton and the Madagascar Madness
What we still have:
Nothing

What we don't have:
http://westerncivilization.trifecta3.ne ... ess#p34445
Four dead links in this thread. I've read the book, but don't have access to it at the moment. The Thea Sisters are tied to a tree along with two other mice. They are not gagged.
Thea Stilton and the Secret of the Waterfall in the Woods
What we still have:
Everything

Yami has linked the comic in this thread: http://westerncivilization.trifecta3.ne ... ers#p42863
What we don't have:
Nothing
Miscellaneous
When I was searching this board I happened across this thread in the artwork section:
http://westerncivilization.trifecta3.ne ... ?f=9&t=575
It mentions an image by Nandah that was coloured by Suicide, as well as a picture by LoZ, but none of the links in the thread work.
I have to admit, as a fan of LoZ's work for many years now, it would be amazing if we could get these images back, but since I haven't found the image on any database or collection of LoZ's work it's entirely possible that it's an image he doesn't want going around, which I respect.