Some of the values used in Digital Photo Frame export utility can set with this program Settings This utilty can started from the Program Menu
Settings utility
In addition to change the interface language, two other values can be changed.
Length of photo filename
There could be limits set by the manufacturer of the digital photo frame regarding the allowed length of the file name. You can change this value in accordance with the specifications. For practical reasons this value must be in the range from 10 to 124. The default value is 30.
Maximum number of files in a photo folder
With my digital photo frame there appears to be a limit of 4000. The rest was just ignored.
You can change the value in accordance with the limit set by your photo frame.
A value of 0 means no limit. In all other cases the value should be at least 256.