Ghost, Dark Matter, Fire, and Radioactive Speedster skins are all included.
See http://freedomreborn.net/archive/index.php?topic=40946.0 (http://freedomreborn.net/archive/index.php?topic=40946.0) for pictures.
Get the skinpack at http://games.groups.yahoo.com/group/pwskins1 (http://games.groups.yahoo.com/group/pwskins1)