Migrating from Pic-a-POD 1 for Mac:
You don't have to do anything.
Pic-a-POD 2 uses the same folder so will use your existing pictures and captions.
Pic-a-POD 1 did not download and store the extra text data about each picture. When you click a thumbnail to see the detailed view for one of these older pictures, Pic-a-POD will look for this data, however for some older pics, this will no longer be available.
Migrating from Pic-a-POD 1 for Windows:
Pic-a-POD 2 will never be released for Windows.
If you have moved from Windows to a Mac system, you may have transferred the Pic-a-POD folder with your My Pictures folder.
Make sure the Pic-a-POD folder is in your Pictures folder and Pic-a-POD 2 will be able to use these image files.