Where <code><image-dir></code> is the directory containing the density-specific image directories (<code>mdpi</code>, <code>hdpi</code>, etc) and <code><image-name></code> is the filename under the density-specific directories without the file extension. For example, <code>gecko.distribution://suggestedsites/res/distroimage</code> image URL will be translated to <code><distribution-root-dir>/suggestedsites/res/xhdpi/distroimage.png</code> on a XHDPI device.
The Ideally, the title of your suggested site should be short, as so that it will only be displayed displays on one lineand does not cover too much of the suggested site icon. That being said, there is a maximum of 2 lines for distribution suggested site titles. Multiple suggested sites should not begin with the same text.
The list of suggested sites from the distribution will be prepended to the default list of suggested sites that ships with Firefox.