I learned that from experience. I tried to be fancy with my oldest dd's hair when she was in first grade. The result of that was that in her picture, half of her hair had fallen, the bows had twisted and it just looked ridiculous. I would scan and post a picture, but my computer has had a nasty virus for the last two weeks and my husband had to do some digging and in the process, my scanner/printer isn't working. Sigh.
Pictures should be timeless. The less extreme the hair, the better. I just took my dd's to have their pictures taken. Just before we left, I sat them on the front porch and snapped a picture.
See, nothing too crazy about their hair. The most "extreme" thing was the curls in Tess's hair. I do like to keep their hair modern, so we did some corkscrew curls. That was it.
So please learn from my mistake...fancy is NOT always better.