Because of copyright, I can't link directly, but search these terms on GPS forums:
🔍 Search strings to use in Google:
"Dimka skin" iGO Primo 800x480 download
"Pongo skin" iGO Primo WinCE
data.zip iGO Primo 2.4 800x480 WinCE
To make Skin IGO Primo 24 WinCE 800x480 work, you cannot just drop a ZIP file onto an SD card. You need the correct base files. skin igo primo 24 wince 800x480 work
In the Primo folder, ensure there is an empty ui_igo9 folder. The skin will write temporary data there. Also, inside the data.zip file (you can peek with 7-Zip), there must be a ui_igo9/800_480 folder. If not, find a proper data.zip for 800x480. Because of copyright, I can't link directly, but