help with installing into partitions

i have windows xp installed in my computer as well as ubuntu karmic koala, i got to the part of disk partiotioning in the installation of opensuse 11.2 and i really didnt know what to do, so , can someone please guide me thruogh here?

this is my fdisk

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xf5f3f5f3

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1        3922    31503433+   7  HPFS/NTFS
/dev/sda2            3923        7958    32419170    5  Extended
/dev/sda3            7959       12037    32764567+  83  Linux
/dev/sda4           12038       60801   391696830    7  HPFS/NTFS
/dev/sda5            3923        7691    30274461   83  Linux
/dev/sda6            7692        7958     2144646   82  Linux swap / Solaris

sda1 = windows sda2= ubuntu sda5, 6 logical partitions inside ubuntu

sda3= opensuse space(i want to install it here)

sda4 = data partiotion so i can acces my fiels from any OS