I see there are not very many entries to this weekend's teaser... so I thought I'd better give you a bit of clue. 
Okay then, the following image gives a bit more detail for this week's Little Something for the Weekend.
I'm also prepared to tell you the image was taken on location in Gloucestershire near some water...

thehomelyyear
Pro
Devishly hard IS the expression! Would it be the bottom of an abandoned old boat?