FS2004 Douglas DC-7 DC-7B DC-7C DC-7CF DC-7F Paint Kit. These layered PSD files can be used in Paint Shop Pro or Photoshop to allow easier repainting of the Gmax Douglas aircraft by Greg Pepper and Tom Gibson. United textures by Tom Gibson. Bare metal textures by Greg Pepper. Includes new door openings, and freight doors for the DC-7CF and DC-7F. By Tom Gibson and Greg Pepper.