[james44]

was looking at these as the top rim can be cut off and welded at any height you want

http://www.dvfuels.co.uk/product.asp?pid=51

[chopsie]

You will be able to get a metal barrel or more if needed from any steel deckers/stud welders you see or know of working on construction sites, they have removable lids,these are type of barrels they use http://www.shearstud.com/stock.html

[rg1]

By the time you've done all this and forked out for a compressor, it would be as cheap to buy a gutter vac and run it off a genny.