Need help with mini thumbs

[tipsuli_]

I know that this must be question that someone has already asked, but I couldn't find the answer anywhere.
So I want to know how I can make mini thumbs show like here http://drenali-legends.org/mysticdiaries/galleria/index.php or http://vampirediariesweb.com/gallery/
Or I don't even know are they mini thumbs or just normal thums, but I can't make them show. My gallery is here http://mysticdiariesgallery.hostzi.com/ and thumbs are just like normal pictures, but only smaller. I want them to be 100px x100px. So how I can do that?
I have:
Use mini thumb as category lead image - Yes
Enable Mini Thumbs - Yes
but it still doesn't change.

[Stramm]

Support for 1.4 has ended. So please upgrade to 1.5

What you're talking about are not mini thumbs but the regular thumbnails. You have to set the dimension to 'exact' (config setting) and then recreate thumbnails using the admin tools.