Create a digital signage application for me

Hi, looking for a company to create a digital signage application for me. This application has 3 parts a designer, admin and player. Admin site monitor players alert players Designer will be modeled after [login to view URL] for most part. stuff that needs to be add are ability to add videos (flv, swf, mpg etc) show live weather show external apps interact with twitter Player players displays your design from designers according to the schedule. Players needs to be in adobe air and designer in flash. As far as the functionality goes the app needs to function like this [login to view URL] more or less. the designer portion should be like bannersnack.com. Please check all details and let me know if your team can do this. MY BUDGET IS : $500