Licenses for Kyle Van Essen's images.

License for Win Xp_prop_png.png: GPL

License for Win Xp_chainlink_png.png: GPL

License for Win_floor_png.png: Public Domain

License for Win_ceiling_png.png: Public Domain

License for Win_rogue_basewall.png: Public Domain

License for Win Xp_lilly_pad.png: GPL

License for Win Xp_moldwall.png: GPL

License for Win Xp_grate_png.png: GPL

License for Win Xp_dirty_metal_png.png: GPL

License for Win Xp_sign_png.png: GPL

License for Win Xp_floor_png.png: GPL

License for Win Xp_concrete_png.png: Public Domain

License for Winny_dodgeballsign1.png: Creative Commons Attribution-Noncommercial-No Derivative Works 2.5 Canada