Step 1. Plug in your phone via-usb to Windows Computer
Step 2. From the "HTC HERO Phone" pull down drop-menu from the top and select with your finger the menu that says "USB Connected Select to copy files to/from your computer.
Step 3. Select Mount ("on the phone")
Step 4. The Default Windows Removable Disk shows up (on the computer), select open folder to view files. Here you will see the phones & applications file structure.
Step 5. Select the file that says DCIM then 100MEDIA this is location for your .mp3s, pictures, and movie's .3gp
Step 6. Open up My Computer or Windows Explorer in a seprate window on the computer and copy and paste your files into the 100MEDIA location.
Step 7. Final step, from the phone pull down the drop down menu from the top and select Turn off USB Storage - Turn off - you will see SD Sync
ROLL OUT!