...I let my bridesmaids choose any dress they wanted as long as it was somewhere on the color wheel between yellow and red, which actually turned out better than I expected.
Love the dresses*, and, of course, love the background. From a lovely wedding in ABQ, found here.
*I guess really I love the idea of the dresses, although the dresses are quite lovely. For me, I'd do the range from green to blue...maybe even get some turquoise in the mix?