Step 1. Go to google and type in "miners need cool shoes" or click this--->www.minershoes.com/

Step 2. Now either type in a username to get their skin to edit, or start from scratch from the skin provided.

Step 3. The color palet below the character shows the colors you can use. The brush tool at the top will texture your pixels, like a creeper's.

Step 4. Shade in the parts of the skin where you want it. You can switch back to a color anytime with the color boxes at the top of the screen.

Step 5. Once you are done, hit download. Your skin will be saved onto your computer in a file.

Step 6. Now go to https://minecraft.net/ and log in. Go to profile and hit browse, then select the file. Now hit upload and once you log into Minecraft through your browser or launcher, your new skin will be on you. This is a free online service, so no programs are required. Hope this helped!