Download the pics to your computer first. Then upload them to whatever app you want. What app are you wanting them to be in? There may not be a direct way to go from app to app.
By downloading them all to your computer, you can verify they are all there and readable. You can make a backup CD, or move them to an external drive, then upload them to the app of your choice. Having the pics in more than one location is always a good idea.