Transfer Between Devices
1. On the device that is going to receive the file: Navigate to the Media Folder
2. Select the folder where you want to receive the file (Music, Video, Ringtones, Pictures)
3. Select the sub-folder (Device Memory, Preloaded, Media Card)
4. Press the menu key
5. Select Receive Using Bluetooth
6. Send the file from the other device
Transfer From PC to Device (or vise versa)
1. You must have a Bluetooth adapter or have Bluetooth built into the PC
2. Pair the device with the PC
3. Open Desktop Manager
4. Double Click the BlackBerry Device Manager Properties icon (in the system tray next to the clock in windows)
5. Select Bluetooth Support and check the box
6. Select Configure Bluetooth
7. Select Add
8. Add your device
9. Go back into Desktop Manager and select Options >> Connection Settings
10. On the connection drop down box highlight Bluetooth and select enable Bluetooth support
11. Transfer the files from the device to the PC or vise versa
Thanks to paulbblc @ BlackBerry Forums