Here are some suggestions.
1) Santa Fe F45 in 1960-1972 Freight Scheme
2) Santa Fe FP45's & F45's in Blue & Yellow Warbonnet Freight Scheme
3) Santa Fe FP45's & F45's in Kodachrome
4) Wisconsin Central FP45 & F45's
5) Susquehanna F45's
6) Wisconsin & Southern F45's
7) Montana RailLink F45's