I can help a little:
for a wig I used - http://thefivewits.net/2010/06/giant-prop-sand-slam/
as for the tie, I bought a clip on tie from wal-mart (10 bucks) folded the bottom underneath and sewed it so it was flat, and took the "excess" trimmed it off and used it as the cross
hope that helps!
Spirit Albarn - Soul Eater (100%)
Maj. Hughes - FMA (100%)
N - Pokemon B/W (80%)
Synchronicity Len (planning stage)