Just recieved this in the mail from United I don't know if this is the promo your referring to or not but maybe it will help;

Stay with us (Regent International Hotels)10 times in 2000 and Earn 25K bonus miles from United airlines

Terms and Conditions:

*Call 1-800-545-4000 BEFORE your first stay to enroll

*Accumulate 10 stays at the qualifying rate(the worldwide corporate rate)at any combination of participating Regent International Hotels

*A stay constitutes a minimum of 3 (consecutive) nights

*Stays must occur before Dec. 31,2000

*Allow 6-8 wks for bonus miles to be credited to your acct

*Flight not required w/hotel stay

*Present your Mileage Plus # at check in

*Offer not valid after Dec 31st,2000.

*For reservations complete terms, conditions and restrictions call 1-800-545-4000 and ask for the Regent United Mileage Plus Promo.

They also had a flyer about Crowne Plaza and Inter-Continental hotels and resorts called the Summer Options program where you can select one of the following :

* 500 Bonus Mileage Plus miles OR 2,000 Bonus Priority Club points

* Upgrade to Club Inter-Continental,Crowne Plaza Club or Junior Stuite

* Full breakfast daily for two

* Additional guest room at Half Price

I don't know if this is what you were looking for or not but I hope it helps in some way