.
Thread 1 (process 6397):
#0  0x0000003b9ac8d601 in __mktime_internal () from /lib/libc.so.6
#1  0x00000038a7615c39 in get_as_slideshow (bg=0xf9de40, 
    uri=0xf4fd40 "/usr/share/backgrounds/debian/debrosey.jpg")
    at gnome-bg.c:1751
	show = (SlideShow *) 0x0
	ent = <value optimized out>
#2  0x00000038a7616e12 in gnome_bg_create_thumbnail (bg=0xf9de40, 
    factory=0xa738a0, screen=0x6641a0, dest_width=108, dest_height=67)
    at gnome-bg.c:1157
	result = (GdkPixbuf *) 0xffc630
	thumb = (GdkPixbuf *) 0x0
	__PRETTY_FUNCTION__ = "gnome_bg_create_thumbnail"
#3  0x000000000041d2a9 in gnome_wp_item_get_thumbnail (item=0xfae810, 
    thumbs=0xa738a0) at gnome-wp-item.c:183
	pixbuf = <value optimized out>
#4  0x00000000004136ef in wp_props_load_wallpaper (key=<value optimized out>, 
    item=0xfae810, data=0xaa1390) at appearance-desktop.c:169
	iter = {stamp = -970328163, user_data = 0xfa4380, 
  user_data2 = 0xf4ff90, user_data3 = 0x8d2468}
	path = <value optimized out>
	pixbuf = <value optimized out>
#5  0x0000003b9e42a82e in IA__g_hash_table_foreach (hash_table=0xaa5240, 
    func=0x413690 <wp_props_load_wallpaper>, user_data=0xaa1390)
    at /build/buildd/glib2.0-2.15.4/glib/ghash.c:1067
	node = (GHashNode *) 0xc60000
	i = 17
	__PRETTY_FUNCTION__ = "IA__g_hash_table_foreach"
#6  0x00000000004139d7 in wp_load_stuffs (user_data=<value optimized out>)
    at appearance-desktop.c:885
	data = (AppearanceData *) 0xaa1390
	imagepath = <value optimized out>
	style = <value optimized out>
	uri = <value optimized out>
	item = <value optimized out>
#7  0x0000003b9e4373e4 in IA__g_main_context_dispatch (context=0x6718c0)
    at /build/buildd/glib2.0-2.15.4/glib/gmain.c:2064
No locals.
#8  0x0000003b9e43a6f5 in g_main_context_iterate (context=0x6718c0, block=1, 
    dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.15.4/glib/gmain.c:2697
	got_ownership = <value optimized out>
	max_priority = 200
	timeout = 0
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0xc751c0
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#9  0x0000003b9e43aa15 in IA__g_main_loop_run (loop=0xf26fe0)
    at /build/buildd/glib2.0-2.15.4/glib/gmain.c:2905
	got_ownership = -1686076400
	self = (GThread *) 0x636540
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#10 0x00000038a4d45bd3 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.12.7/gtk/gtkmain.c:1163
	tmp_list = (GList *) 0xaa1390
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x6c1160
	loop = (GMainLoop *) 0xf26fe0
#11 0x0000000000417b7d in main (argc=1, argv=0x7fff23ec0d08)
    at appearance-main.c:191
	data = <value optimized out>
	program = (GnomeProgram *) 0x93f9d0
	w = (GtkWidget *) 0x6c1160
	install_filename = (gchar *) 0x0
	start_page = (gchar *) 0x0
	wallpaper_files = (gchar **) 0x0
	option_context = <value optimized out>
	option_entries = {{long_name = 0x42cb88 "install-theme", 
    short_name = 105 'i', flags = 2, arg = G_OPTION_ARG_FILENAME, 
    arg_data = 0x7fff23ec0bf8, 
    description = 0x42cc50 "Specify the filename of a theme to install", 
    arg_description = 0x42cb96 "filename"}, {long_name = 0x42cb9f "show-page", 
    short_name = 112 'p', flags = 2, arg = G_OPTION_ARG_STRING, 
    arg_data = 0x7fff23ec0bf0, 
    description = 0x42cc80 "Specify the name of the page to show (theme|background|fonts|interface)", arg_description = 0x42cba4 "page"}, {
    long_name = 0x42e094 "", short_name = 0 '\0', flags = 2, 
    arg = G_OPTION_ARG_FILENAME_ARRAY, arg_data = 0x7fff23ec0be8, 
    description = 0x0, arg_description = 0x42cba9 "[WALLPAPER...]"}, {
    long_name = 0x0, short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x0, description = 0x0, arg_description = 0x0}}