Like Celtic Music?
Nick Jr doesn't have any coloring pages. This is serious! I had to make some!
I couldn't find any Wonder Pets colouring pages so I made my own. Help yourself. Just click the image you want and then select 'print' in your browser. Once you've gotten these I found a few others here.
If the ones below aren't enough then Amazon sells a 'deluxe coloring book' for a few bucks (free shipping last time I checked).