TickCo have released the following promo codes:
Free Shipping on orders of $100 or more.
Promo Code: FSOVERTC
Save $10 on orders of $100 or more.
Promo Code: ORDR10TC
Save $20 off on orders of $200 or more.
Promo Code: ORDR20TC
The above promo codes are valid until March 31, 2010.