1. Please make sure you've installed itunes. If not, you can go to apple's website to download the latest version.
2. In iTunes, select your device's icon in the Devices list on the left.
3. Click the Photos tab.
4. Choose "Sync photos from" .Choose Photoshop Album or Photoshop Elements from the pop-up menu.
Note: Some versions of Photoshop Album and Photoshop Elements don't support collections. You can still use them to sync all your photos.
5. If you want to sync all your photos, enable the option for "All photos, albums, events, and faces." If you want to sync photos from only some albums, events, or faces, enable the option for "Selected albums, events, and faces" and then select the albums you want. If syncing on a Mac with iPhoto version 6.0.6 or later, you may enable the option to "Include videos" to sync videos directly from iPhoto to your device. (Requires iOS 3.0 or later).
6. Click Apply.
You have to choose either a single folder to sync .
What I did was create a folder named "marks iTunes photos" then drag /drop the photos I want on my Ipad to that folder, then under sync chose that folder to sync.
I find that on the internet How to transfer photo/pictures from iPad to PC,which help me solve my problem.
Hope that help you too.