Mod to slide the first image on a post with [img]

[pablete]

hi guys, few time ago i had download and install from here a better slider to put on top of forum wicht show the first image from each thread. It was for example like a covers of films.
I don't remember wich is the name of this and i hadn't found it again.
Someones knows with is this mod?

Hugs and thank's