>>10320874Milliput dries rock hard. It's what a large amount of customizers use for new parts and resculpting old ones.
As for how to's and tutorials... I can't say, I'm self taught. If it matters to you, I have an unfortunate habit of specifically looking at flaws in the work of others to help improve my own customs. It helps my stuff not look too bad when I'm done. In my opinion at least.
