OK, after another round of installations, the following configuration seems to be stable, and allows aMule, emelfm and bittorrent to co-exist (well, no crashes in the last 12 hours, so...)
WX stufflibwxPythonGTK2.5_3-2.5.3.1-2.mdk10.1.thac
libwxgtk-gtk2u_2.5_3-2.5.3-4mdk
libwxgtk2.5_3-2.5.3-2.mdk10.1.thac
libwxPythonGTK2.5_3-devel-2.5.3.1-2.mdk10.1.thac
libwxgtkgl2.5_3-2.5.3-2.mdk10.1.thac
libwxgtk2.5_3-devel-2.5.3-2.mdk10.1.thac
wxGTK2.5-2.5.3-2.mdk10.1.thac
wxPythonGTK-2.5.3.1-2.mdk10.1.thac
GTK stuffgtk+2.0-2.4.9-9mdk.i586.rpm
libgtk+2.0_0-2.4.9-9mdk.i586.rpm
libgtk+-x11-2.0_0-2.4.9-9mdk.i586.rpm
libgtk+2.0_0-devel-2.4.9-9mdk.i586.rpm
libgdk_pixbuf2.0_0-devel-2.4.9-9mdk.i586.rpm
libglib2.0_0-devel-2.6.0-2mdk.i586.rpm
libglib2.0_0-2.6.0-2mdk.i586.rpm
glib-gettextize-2.6.0-2mdk.i586.rpm
libpango1.0_0-1.8.0-1mdk.i586.rpm
libgdk_pixbuf2.0_0-2.4.9-9mdk.i586.rpm
(dependencies)pango-1.8.0-1mdk.i586.rpm
libpango1.0_0-devel-1.8.0-1mdk.i586.rpm
libpango1.0_0-modules-1.8.0-1mdk.i586.rpm
aMuleaMule-2.0.0rc8-4mdk-10.0.i586.rpm
(dependencies)libwxgtk-gtk2u_2.5_3-2.5.3-4mdk-10.0.i586.rpm
other appsBitTornado-0.3.7-2mdk.noarch.rpm
galaxy-gnome-1.0.2-6mdk.i586.rpm (to remove a GTK error message every time a program is launched)
Hope this can be of use to other Mandrake sufferers
