I remember someone wrote a MEL script for this ages ago over at CGTalk, but it was for Maya 5 or 6 I think. edit: I think it was this, but haven't tried it our personally. http://www.safakoner.com/rnd/sobrowser/sobrowser.html
looks sweet! looks like it's a browser, so you'd have to save it with this script as sama.van is saying, then it'll register with a thumbnail which it exports using a playblast type thing or something. So it just tries to overwrite your save function with its own is all.
Becareful he attached something on the Ctrl +s command... After closing Maya and start again I got the following message when using ctrl+s for saving my scene : Then be careful if you are not melscripter :) And with this script I success to brose my directory but the preview mode doesn't appear :( I personally had an…