The Diana in Henna Red on Amphigory would work great for Rally, IMO. I've seen a good number of super curly wigs that would be good for cosplay, but not in that color.
__________________ Currently working on:
Elfaria (Odin Sphere)
Angela (Seiken Densetsu 3)
Sara Nome (Macross Zero) Planned:
Shark Fujishiro (Seto no Hanayome)
Alto-Saotome - kabuki attire (Macross Frontier)