my photos from itunes won't enter my ipod nano,why does that happen?

Answer 1

Connect your iPod to your computer using the cable that came with your iPod.
In iTunes, choose Edit > Preferences, and click the iPod tab.
Click the Photos tab.
To copy photos to your iPod, select the "Synchronize photos from" checkbox and choose the photo application or folder that contains the photos you want to copy from the pop-up menu.

Answer 2

go to prenferences and press photos press sychronize photos