Added documentation on new Slides slideshow feature.

docs/html/README.html

@@ -23,7 +23,7 @@ New Breed Software</p>
 <p><a href="mailto:bill@newbreedsoftware.com">bill@newbreedsoftware.com</a><br>
 <a href="http://www.newbreedsoftware.com/tuxpaint/">http://www.newbreedsoftware.com/tuxpaint/</a></p>
 
-<p>June 14, 2002 - February 20, 2006</p>
+<p>June 14, 2002 - August 27, 2006</p>
 </center>
 
 <hr size=2 noshade>
@@ -619,6 +619,16 @@ New Breed Software</p>
 
             <br clear=all>
 
+        <li>
+            <img src="images/open_slides.png" width=48 height=48 alt=""
+            align=right>
+
+            <p>Click the blue "Slides" (slide projector) button at the lower
+            left to go to slideshow mode.  See "<a href="#slides">Slides</a>,
+            below, for details.</p>
+
+            <br clear=all>
+
 	<li>
             <img src="images/open_back.png" width=48 height=48 alt=""
             align=right>
@@ -822,6 +832,40 @@ New Breed Software</p>
         <hr size=1>
       </dd>
 
+      <dt><a name="slides"><b>Slides</b></a></dt>
+      <dd>
+        <img src="images/open_slides.png" width=48 height=48 alt=""
+        align=right>
+
+        <p>The "Slides" button is available in the "Open" dialog.
+        It displays a list of your saved files, similar to the "Open" dialog,
+        but without listing 'Starter' images.</p>
+
+        <p>Click each of the images you wish to display in a slideshow-style
+        presentation, one by one.  A digit will appear over each image,
+        letting you know which order it will be displayed in.</p>
+
+        <p>Click a selected image to unselect it (take it out of your
+        slideshow).  Any images you had clicked after it will go up one in
+        the slideshow order.</p>
+
+        <p>Click the "Play" icon to begin the slideshow.  Note: If you didn't
+        select ANY images, then ALL images will be played in the slideshow.
+        Click "Back" to return to the "Open" dialog.</p>
+
+        <p>During the slideshow, press <b>[Space]</b>, <b>[Enter]</b> or
+        <b>[Return]</b> or the <b>[Right&nbsp;Arrow]</b>, or click anywhere
+        in the picture, to manually advance to the next slide.
+        Press <b>[Left]</b> to go back to the previous slide.</p>
+
+        <p>Press <b>[Escape]</b> or click the "Back" button at the
+        lower right to exit the slideshow and return to the image list,
+        where you may change which images to show in the slideshow.</p>
+
+        <!-- FIXME: Add playback speed control! -->
+
+        <br clear=all>
+      </dd>
 
       <dt><b>Quit</b></dt>
       <dd>