The St Ives branchline is under construction and a lot of objects are available for download from http://www.class50-hoover-bashers.com/bve.htm
Direct link to screenshots of the branchline: http://www.class50-hoover-bashers.com/bve.htm#grabs
Direct link to screenshots of the branchline: http://www.class50-hoover-bashers.com/bve.htm#grabs