The "Slideshow" begins by showing most recent images

...rather than the oldest.  (i.e., defaults to being scrolled
to the very bottom now, rather than the very top)

docs/CHANGES.txt

@@ -145,6 +145,11 @@ http://www.tuxpaint.org/
       dialogs.  (For https://sourceforge.net/p/tuxpaint/feature-requests/173/)
       Bill Kendrick <bill@newbreedsoftware.com>
 
+    * The "Slideshow" now begins by showing the most recent images
+      (the bottom of the list of saved images) rather than the oldest
+      (the top of the list).
+      Bill Kendrick <bill@newbreedsoftware.com>
+
   * Localization Updates:
     ---------------------
     * Albanian translation

src/tuxpaint.c

@@ -22,7 +22,7 @@
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   (See COPYING.txt)
 
-  June 14, 2002 - April 29, 2022
+  June 14, 2002 - May 15, 2022
 */
 
 #include "platform.h"
@@ -16873,8 +16873,13 @@ static int do_slideshow(void)
   instructions = textdir(TUX_TIP_SLIDESHOW);
   draw_tux_text(TUX_BORED, instructions, 1);
 
-  /* NOTE: cur is now set above; if file_id'th file is found, it's
-     set to that file's index; otherwise, we default to '0' */
+  /* Default towards the bottom, as it's highly likely the
+     user wants to make a slideshow out of more recent images
+     (vs. very old ones) */
+  which = num_files - 1;
+  cur = ((num_files - 16) / 4) * 4;
+  if (cur < 0)
+    cur = 0;
 
   update_list = 1;
 
@@ -16887,7 +16892,6 @@ static int do_slideshow(void)
 
   do_setcursor(cursor_arrow);
 
-
   do
     {
       /* Update screen: */