Did a search already and I'm not sure where else to look... is there a listing anywhere of all the MATD properties with descriptions of what each one does? I'm trying to figure out how to make materials look shiny and I don't know what exactly I need to tweak to do so. (I have worked with 3D materials in the past, I just don't know WHICH properties are the ones I want.) Would be nice to know what everything does. :3
Sorry if this is already posted somewhere obvious, I'm still kinda sick and non-observant... X3;
(I also apologize if this is in the wrong section... when I say MATD I'm obviously referring to stuff in SimPE @_@;)

Well this one in the MATD lists them all with their possible values:
http://www.modthesims2.com/wiki/49596978

and there is a thread here:
http://www.modthesims2.com/showthread.php?t=35769
which has some very useful notes on the meanings of each field, if you feel like reading through it all.

Ah, thank you muchly, Echo. <3 Just what I'm looking for!

We haven't got a really comprehensive list yet, either. We have an excellent list of values, but there's still a lot that we're not entirely sure of the effect.

Moving this to general modding. It really hasn't anything to do with tools.

RG