Creating the extra column
and covering my butt with a proper license header

Signed-off-by: Suki <suki@missallsunday.com>
Fetch the show_thumbnail value

Signed-off-by: Suki <suki@missallsunday.com>
Show the image/thumbnail only if the per message setting was activated

Signed-off-by: Suki <suki@missallsunday.com>
Lets build the exact same query twice... screw the package manager and those silly mod authors!
Kudos for SMF!

Signed-off-by: Suki <suki@missallsunday.com>