I haven't seen this on LET yet.
Codes:
MATCH25 - We will match up to $25 in new funds when this code is used. This coupon is valid for all customers (new AND existing).
20FOR30 - We will add $20 to new accounts (on top of the $5 we give away to every account) when this code is used. The $20 Expires in 30 days but gives you a great way to test drive our service.