were to get 32bit compatiable libs

[andyc7454]

hi i'am trying to figure this one out and even on ubuntu forms cannot find it and no help
now i have Ubuntu 7.04 a ati raddon 9200se with full opengl support amd sempron 2300
and when loading the game it says that i'am missing 32bit compatable libs or libearys
(sorry english bad)where do i get them i find loads of sites saying how to install them
but i have to download them first .looked through the synaptic package manager
but know were to be found ?