xXx,
You have good taste, rolfy's dragon is the bomb.
When you unzip the download, you will have a folder named "Dragon". Copy-and-paste or drag-and-drop the contents or the "Dragon" folder to your "C: Program...FPS Creator\ files" folder. Windows will ask you if you want to overwrite the existing files. Answer yes, and Windows will copy all the files to their proper locations.
Or, and this will do the same thing but may be easier to understand... Rename the Dragon folder to "files" and copy the entilre folder to your "C: Program...FPS Creator" folder.
Once this is done, open FPS Creator Editor, select new entity, and then the Dragon folder.
Best.