OK,

I take the MBR (see the info.txt
I download the Leopard-10-5.2-AMD.ISO via torrent fom PiratesBay and install this
and by the Partition doing i name the Partion Leopard

Please look.

Last login: Sun Feb 24 15:06:33 on ttys000
xdsl-87-78-155-187:~ aw$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *232.9 Gi disk0
1: Apple_HFS Leopard 232.9 Gi disk0s1
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: Apple_partition_scheme *4.4 Gi disk1
1: Apple_partition_map 31.5 Ki disk1s1
2: Apple_HFS Leopard-10.5.2-AMD-EFI 4.4 Gi disk1s2
/dev/disk2
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *153.4 Gi disk2
1: EFI 200.0 Mi disk2s1
2: Apple_HFS Leopard USB 153.1 Gi disk2s2

sh-3.2# fdisk -e /dev/rdisk0
Enter 'help' for information
fdisk: 1> p
Disk: /dev/rdisk0 geometry: 30401/255/63 [488397168 sectors]
Offset: 0 Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
*1: AF 0 1 1 - 1023 254 63 [ 63 - 488397105] HFS+
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
fdisk: 1>