This is probably a Gnome2 issue: I'm using Sawfish on the Gnome desktop and the latest xscreensaver --- I get pretty much the same trace with /all/ xscreensaver modules which access my jpg images ...
$ /usr/X11R6/lib/xscreensaver/slidescreen xscreensaver-getimage: grabDesktopImages: False xscreensaver-getimage: grabVideoFrames: True xscreensaver-getimage: chooseRandomImages: True xscreensaver-getimage: imageDirectory: /mnt/disk2/pub/photos xscreensaver-getimage: loading random image file xscreensaver-getimage: executing "xscreensaver-getimage-file --verbose --name /mnt/disk2/pub/photos" xscreensaver-getimage: loading "/mnt/disk2/pub/photos/Kodak/2002-07-28/2002-07-28-0051.jpg" (process:11467): GLib-GObject-CRITICAL **: gtype.c:1806: initialization assertion failed, use g_type_init() prior to this function (process:11467): GLib-GObject-CRITICAL **: file gobject.c: line 585 (g_object_new): assertion `G_TYPE_IS_OBJECT (object_type)' failed -- Gary Lawrence Murphy - [EMAIL PROTECTED] - TeleDynamics Communications - blog: http://www.auracom.com/~teledyn - biz: http://teledyn.com/ - "Computers are useless. They can only give you answers." (Picasso)