We came across this useful recommendation and advice from The Johnny Gizmo Blog on how...
Return Delivery Options
USPS Priority Mail: You would like your entire order returned via USPS Priority Service and we will charge your credit card accordingly for shipping and handling.
1-500 photos - $27.95
501-1,500 photos - $32.95
1,501-2,500 photos - $37.95
2,500+ photos - $49.95 and up - priced according to weight and destination (may ship via FedEx Ground instead of USPS
Split Delivery: For the quickest return of your scanned images. FedEx Standard Overnight just the scanned digital discs for $37.50 and we will return your slides separately via USPS Priority Mail service with an additional, complimentary duplicate disc. (Minimum USPS Priority mail S&H is $9.95 based on size of order, weight and destination, plus the additional $37.50 FedEx charge)
FedEx Domestic 2-Day Delivery: You would like your entire order returned via FedEx Domestic, 2-day delivery (P.O. Boxes not accepted) and charge your credit card accordingly for shipping and handling.