This adds an option to prevent saving of thumbnails to disc.

Index:rox-1.2.0-nothumbsave/ROX-Filer/Options.xml
*** rox-1.2.0/ROX-Filer/Options.xml	Thu Dec 27 13:41:52 2001
--- rox-1.2.0-nothumbsave/ROX-Filer/Options.xml	Tue Feb 19 14:50:15 2002
***************
*** 46,51 ****
--- 46,52 ----
      </menu>
      <toggle name='display_show_hidden' label='Show hidden files'>If this is on then files whose names start with a dot are shown too, otherwise they are hidden.</toggle>
      <toggle name='display_show_thumbs' label='Show image thumbnails'>Load every image file and display it, scaled-down, in the filer window instead of the normal icon.</toggle>
+     <toggle name='display_no_save_thumbs' label='Dont save thumbnails'>Thumbnail images are never saved.</toggle>
    </section>
    <section title='Pinboard'>
      <label>The pinboard is the desktop background.
Index:rox-1.2.0-nothumbsave/ROX-Filer/src/display.c
*** rox-1.2.0/ROX-Filer/src/display.c	Sat Jan 19 16:47:26 2002
--- rox-1.2.0-nothumbsave/ROX-Filer/src/display.c	Tue Feb 19 14:51:03 2002
***************
*** 157,162 ****
--- 157,163 ----
  	option_add_int("display_small_width", o_small_truncate, NULL);
  	option_add_int("display_show_hidden", FALSE, NULL);
  	option_add_int("display_show_thumbs", FALSE, NULL);
+ 	option_add_int("display_no_save_thumbs", FALSE, NULL);
  	option_add_int("display_inherit_options", FALSE, NULL);
  
  	option_add_notify(options_changed);
Index:rox-1.2.0-nothumbsave/ROX-Filer/src/pixmaps.c
*** rox-1.2.0/ROX-Filer/src/pixmaps.c	Sat Feb  2 14:31:32 2002
--- rox-1.2.0-nothumbsave/ROX-Filer/src/pixmaps.c	Tue Feb 19 14:53:16 2002
***************
*** 638,643 ****
--- 638,647 ----
  	mode_t old_mask;
  	int name_len;
  
+ 	/* If thumbnail saving is disabled, return immediatly */
+ 	if(option_get_int("display_no_save_thumbs"))
+ 	        return;
+ 
  	/* If the source image was very small, don't bother saving */
  	if (gdk_pixbuf_get_width(full) * gdk_pixbuf_get_height(full) <
  			   (HUGE_WIDTH * HUGE_HEIGHT * 3))