Hello and welcome to PinStack .
You can try going here: http://www.x-berrysoft.com/xplayer.php
Or to download it directly from your phone using your phone's internet capability (only if you have blackberry internet service) go here on your phone: wap.x-berrysoft.com
If you decide to download it through your PC, refer to the following thread and use the Application Loader in your Desktop Manager to install the app on your BB:
Application Loader Walkthrough