most perplexed at 6 down viz having had a brainwave I exploit retaining one - IDEAE? Am pretty sure the letters are correct as I have bumper stIcker, aquaboarD fErret, balAnus, slEeken for 1, 10, 14 and 16 across respectively but after trawling through the internet, Chambers etc I have absolutely no inkling as to where to go with this HELP