Cable text software

We need software that can play slideshows (maintained by an admin) for cable tv. as we are a little tv station, we have low budget. What we need is following: Add slides with fixed text Template support (possibility to add a background to every catagory added) Possibility to set show time for the slides Possibility to set date/time when slides have to be shown Rotate slides in full screen Possibility to play avi/mpeg files in fullscreen (also in the slides) Set start and end time for the movies. (full hour etc) export presentation to pdf and so on. More information on bid accept