Go to this page and load it as a RSS feed into your reader and you have all the specials that are being posted to #foursquare and can work the deals into your busy day. Reclone this one and just change the cities that you want in it and it will be good to go.
Love Yahoo pipes it is the only app that I use with Yahoo. Flickr is a fav too but that is it... Have Fun hope that this helpful.