Here are several photos free for personal use (image quality is adjusted for a mid-size JiXii puzzle, ca.600x450pts).
If you like to save a photo to your hard disk, click the image long enough to let a popup menu appear and select "Save this Image as..." (or similar).

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Autumn 1  (348k)	Autumn 2  (196k)
Night 1  (256k)	Night 2  (272k)