Right now on Zulily.com they have this awesome sale on Fun Shower curtains! They are all under $25 BUT if you shop through my link you get an extra 15% off at checkout!
There is an incredible number of shower curtains included in this sale with everything from plain colors to super fun prints!
Shipping starts at $5.99 and generally goes up $1- $2 with additional items. Consider making one order, and then go back and order another item and shipping should be FREE since they offer free shipping for almost all additional items ordered by 11:59 PM that same day. Some larger items may be excluded for the free shipping offer.