Try these. If fishing is the goal then bottom structure is important.

http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Number=131390#Post131390

Try this forum for ideas. There are a number of threads on bottom structure ( points , ditches , islands both above and below water , ledges etc).

http://www.pondboss.com/forums/ubbthreads.php?ubb=postlist&Board=4&page=1

But look at this archive first.

http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Number=92463#Post92463