I don’t have a definitive answer, but here are two links that might get you going. I think MPEG Streamclip might be helpful and FCP or Compressor could be used to make mpeg-4 files.
Screen Dimensions: https://na.blackberry.com/eng/deliverables/6625/Dimensions_for_screens_images_and_icons_476251_11.jsp
Curve Specs (look down to the Media Player section): https://na.blackberry.com/eng/devices/blackberrycurve8900/curve_specifications.jsp
John
MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.5 QT7.5.5 Kona 3 Dual Cinema 23 ATI Radeon HD 3870
ATTO ExpressSAS R380 RAID Adapter, PDE Enclosure with 8-drive 6TB RAID 5
24″ TV-Logic Monitor
Final Cut Studio 2 (up to date)
Pro Tools HD w SYNC IO, Yamaha DM1000, Millennia Media HV-3C, Neumann U87, Schoeps Mk41 mics, Genelec Monitors, PrimaLT ISDN