Addition Elle are offering an extra 50% off already reduced items. There are some exclusions, but if you add any item that states 50% off under it, the discount will automatically be applied when it is added to your basket. They have tanks for $5 in the clearance section, so a great deal at $2.50.
If you need more selection, you can add items from Penningtons to your basket and save 30% off their already reduced merchandise. Shipping is $7.50 flat rate.