@Gungasur
Welcome to GPS Power. You can read how to change the splash image in the following thread: [Only registered and activated users can see links. ].

In the ZIP file behind the spoiler below is the required BMP file which will display the original Garmin logo:
Spoiler: Click to show
[Only registered and activated users can see links. ]

What it looks like:
[Only registered and activated users can see links. ]


Post again here if you need more help.