As you saw/seeing/about to see in the video, you learned how to make an ore Texture with GIMP.

Even though it is for a 16x Texture Pack, it can be used for 32x as well. I don't know about 64x but it might work. :|

So, Thank You for looking at the video, I will make more tutorials later.

If you guys want to see more, go to my profile by clicking in the icon next to Zombica09. :)