In order to share your photos on the PhotoFrame, make sure they are in a supported format:
How can I check if my photo is a progressive JPEG ?
You can check the properties of a photo in a photo editing program (e.g. PhotoShop) or a photo viewer (e.g. IrfanView).
IrfanView is freeware and can be downloaded free for non-commercial use from: www.irfanview.com
If you use a photo editor, standard JPEG format (Baseline ("Standard")) is recommended rather than progressive.
In PhotoShop use for example:
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