Directory Media Images Not Showing

hi

images added to the directory listings via the add media button do not show

http://ilovestaffordshire.co.uk/listing/stoke-freestyle-kick-boxing/

the image url is

http://ilovestaffordshire.co.uk/listing/wp-content/uploads/2014/12/sprint-square.png

when it should be - http://ilovestaffordshire.co.uk/wp-content/uploads/2014/12/sprint-square.png