Help on architectureI - Linux

The following information is required to get an answer:
Get this information from the PHP diagnostic (in the configuration wizard).
Gallery URL (optional but very useful):
Gallery version: 1.5.3
Apache version: 1.3
PHP version (don't just say PHP 4, please): 4.3.11
Graphics Toolkit: Netpbm & ImageMagick
Operating system: Linux - Slackware
Web browser/version (if applicable):

Hi,

I'm trying to get Gallery1 working with either NETPBM or IMAGEMAGICK, but I'm not sure what architecture my webhosts are using, and there which binaries to upload.

My webhost (www.uk2.net) state:
Our SuperUltra range of shared servers runs the following software:
Operating system: Slackware Linux v9 (Kernel: 2.4.31)
Webserver: Apache 1.3
PHP 4.3.11
Perl 5.8.0
Python 2.2.2

But phpinfo.php reports:
Linux superultra16 2.4.31 #8 SMP Wed Sep 14 12:43:10 BST 2005 i686

Can anyone suggest which binaries might work and where I could get them from. Are FreeBSD or Redhat's meant to work?

Any help much appriecated.

Many thanks
Dan