Symptom
When you take a picture of an asset on a mobile device then synchronize data, when you edit the asset on the PC, the picture file shows on the Attachments tab, but it does not show on the Picture tab of the asset.
Cause
The picture has not been selected as the default picture for the asset.
Workaround
On the Picture tab, click the message "Click here to add/select default picture", Select Image, then click the file.