Ever thought that only having two metals (iron and gold) was too few for you? Well, then this is a great addition for you! It currently adds three materials:
Omnimetal (mixture of all metals)
In addition, it also adds armor and tools for all of these metals, as well as four new tools that are craftable in the inventory's crafting grid:
This project is currently in a texture-development state as its final step. Will post pics and download link at some point in the next couple of days, I haven't been able to take much time lately in the development of the textures, sadly.