\[[img image1.jpg size="200x200" alt="clouds"]]
-Or set default values that will be applied to all later images on the page,
-unless overridden. Useful when including many images on a page.
+The `alt` parameter is optional. The `size` parameter is also optional,
+defaulting to full size. Note that the original image's aspect ratio is
+always preserved, even if this means making the image smaller than the
+specified size.
+
+You can also set default values that will be applied to all later images on
+the page, unless overridden. Useful when including many images on a page.
\[[img defaults size=200x200 alt="wedding photo"]]
\[[img photo1.jpg]]
\[[img photo2.jpg]]
\[[img photo3.jpg size=200x600]]
-
-The `alt` parameter is optional. The `size` parameter is also optional,
-defaulting to full size.