If you see this in your NextGen Gallery main page, use YAST to install the php4-exif package:

  • Operating System : Linux
  • Server : Apache/2.0.53 (Linux/SUSE)
  • Memory usage : 9.4 MByte
  • MYSQL Version : 4.1.10a
  • SQL Mode : Not set
  • PHP Version : 4.3.10
  • PHP Safe Mode : Off
  • PHP Allow URL fopen : On
  • PHP Memory Limit : 128M
  • PHP Max Upload Size : 20M
  • PHP Max Post Size : 8M
  • PHP Max Script Execute Time : 600s
  • PHP Exif support : No
  • PHP IPTC support : Yes
  • PHP XML support : Yes

Finally metadata for images is available and I can continue with XML Google maps plugin: