Check Ebay. There is a Cobbler from Mexico that makes an excellent , affordable shoe. I am not sure about the exchange rate though.
Professional Clown Shoes Costume - SALE - by ClownMart - eBay (item 130214566685 end time Apr-20-08 21:16:52 PDT)
His shoes are excellent. Do not buy the cheap vinyl or plastic shoes. They will not hold up. Really, Buy nothing less than these. Check him frequently he does offer other styles and colours.
For a nose, I would check out These two places.
Pricilla Mooseburger Originals
Bubba's Clown Supplies: clown makeup, comedy magic, Fun item
JIm Howle and Leon McBride are the go to guys in the clown nose world.