They're from the Panasonic D-Snap and D-dock commercials, there are:
2 Cms
2 Wallpapers
2 Screensavers
They should be on the site.
http://panasonic.jp/d-audio/gallery/cm/
http://panasonic.jp/d-audio/gallery/wallpaper/
http://panasonic.jp/d-audio/gallery/screensaver/
Although, I don't know if there are any non-holiday themed versions of the wallpapers now, they made it that way a few weeks ago, don't know if someone has the normal version.