You can color them in "MS Paint" or "PSP" (these are the ones I use!)
Open the Paint program and Tpye the word you want in the font that you downloaded. You will have to make the font size REALLY big to see the details. Then using the "Paint Can" tool fill in the areas that you want colored. You may find that the color some times "leaks" to another area or to the background. This is because there is a gap in the outline of that area or letter. I "Zoom" in to magnify the area to see where the gap is and using the "Pencil" or "Paint Brush" tool on the smallest setting I close the gap in Black. Now you can go back and recolor the area the way you wnat it. If you use "PSP" you cna play with the textures as well as the colors. This way you can make Patch work type designs look like they are fabric etc... The first time you do it might take a while, but I found that I have gotten alot faster the more I played with it. If you have more questions or this is not clear enough to you let me know. 
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