Do you use, Fetch a Prayer found at  http://fetchaprayer.net/.  Fetch a Prayer has collected hundreds of prayers, dozens of topics.  All you do is log on, choose a topic, enter the name of a person or place and Fetch a Prayer will provide a scripture-based prayer to spark your intercession.  The prayers change each day so you can pray persistently until the answer comes.  They will even send you a prayer link so you can invite your friends and build your own prayer campaign.  Check it out!   (Thanks, Mike!)