i had an art history professor who used the phrase 'repetition of theme with variation' to such an extent that we began to take a tally of how many times he used it. in one 90 minute slide lecture (o, sixth circle of hell...) he used it 38 times.
I agree with timmyf (or however you spell his name).
The triptych is great.
the balance to it is perfect and the colors are very complimentary too.
I think you should make it available as a print.
I was at a charity art show not too long back and someone was selling something similar to this, except theirs was a separately framed triptych.
they were all in black and white and had good motion blur.
But I like yours better.
I have really enjoyed your pictures. I am not a dog person but you have caught and edited some great images. You have taken simple compositions or blurry shots and made them stand out into excellent pictures. I think you have taken great advantage of a challenge like this and went beyond the basic pet shots. Well done.
And this triptych works great. I could see somehting like this selling quite well.