Its an Alternate Francis. Those who dislike it then its ok.... but theres sum people that do like it. Plus this was a request from a anonymous.
This was made by a friend and clan master of mine...
1) Go to C:\Program Files\Steam\steamapps\common\left 4 dead\left4dead\materials\models\survivors\biker
2) Now, look for "whitelist.cfg" and add "add" "materials/models/..." under the line // Additional files/directories to allow. Be to make a copy of this in case something goes wrong.
3) Now, look for pak01_dir.vpk in the same folder. Open it using Notepad ++ to open it. Make sure you backup the original pak01_dir.vpk file.
4) When you opened up pak01_dir.vpk with Notepad++, press Ctrl+F to find this line:
Replace "francis_color" with "francis_color2" and save.