What a brilliant viral marketing scheme. This is clever forward thinking! It could really get such a company's name around in the area they need it for very low cost compared to going down other routes.
If the snow lasts, I'd recommend a tiler to tile outside of it and make a patio style thing going on and stick an a-board up and do some in-action shots and then do a follow up with all the places it's already been mentioned and send in the pictures of the tiles patio and perhaps some mosaic things going on outside the igloo.