\[[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 image file will be searched for using the same rules as used to find
+the file pointed to by a [[WikiLink]].
+
+The `size` parameter is 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 pass `alt`, `class` and `id` parameters. These are passed through
+unchanged to the html img tag.
+
+The `link` parameter is used to control whether the scaled down image links
+to the full size version. By default it does; set "link=somepage" to link
+to another page instead, or "link=no" to disable the link.
+
+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.