The following bitmaps are made by Splitwirez (Splitwirez@gmail.com).

dlg_bg.bmp
image_strip.bmp
reactos_flag.bmp

Their source is available as the following files:

svg/background.svg
svg/flag.svg
svg/shut_down.svg
svg/sleep_hibernate.svg
svg/reboot.svg

These files are in the public domain.