File list (Check if you may need any files):
lesson10\bin\Debug
........\bin
........\csgl.dll
........\csgl.native.dll
........\Data\Mud.bmp
........\....\Thumbs.db
........\....\World.txt
........\Data
........\lesson10.cs
........\lesson10.csproj
........\lesson10.csproj.user
........\lesson10.exe
........\lesson10.resx
........\lesson10.sln
........\lesson10.suo
........\Mud.bmp
........\obj\Debug
........\obj
........\Readme.txt
lesson10
......06\bin\Debug
........\bin
........\CsGL Basecode\csgl.dll
........\CsGL Basecode
........\csgl.dll
........\lesson06.cs
........\lesson06.csproj
........\lesson06.csproj.user
........\lesson06.resx
........\lesson06.sln
........\lesson06.sln.old
........\lesson06.suo
........\obj\Debug
........\obj
........\readme.txt
lesson06
.......7\bin\Debug
........\bin
........\csgl.dll
........\csgl.native.dll
........\Data\Crate.bmp
........\....\csgl.dll
........\....\csgl.native.dll
........\....\Thumbs.db
........\Data
........\lesson07.cs
........\lesson07.csproj
........\lesson07.csproj.user
........\lesson07.exe
........\lesson07.resx
........\lesson07.sln
........\lesson07.sln.old
........\lesson07.suo
........\Lesson7.suo
........\NeHe's Readme.txt
........\obj\Debug
........\obj
........\Readme.txt
lesson07
......11\bin\Debug
........\bin
........\csgl.dll
........\csgl.native.dll
........\Data\Thumbs.db
........\....\Tim.bmp
........\Data
........\lesson11.cs
........\lesson11.csproj
........\lesson11.csproj.user
........\lesson11.exe
........\lesson11.resx
........\lesson11.sln
........\lesson11.sln.old
........\lesson11.suo
........\obj\Debug
........\obj
........\Readme.txt
lesson11
.......2\bin\Debug
........\bin
........\csgl.dll
........\csgl.native.dll
........\Data\Cube.bmp
........\....\Thumbs.db
........\Data
........\lesson12.cs
........\lesson12.csproj
........\lesson12.csproj.user
........\lesson12.exe
........\lesson12.resx
........\lesson12.sln
........\lesson12.sln.old
........\lesson12.suo
........\obj\Debug
........\obj
........\Readme.txt
lesson12
.......6\bin\Debug
........\bin
........\csgl.dll