I have polished my spokes but they looked better than yours to start with. Assemble the following: Scotch Brite scouring pads, Autosol metal polish, Mothers metal polish, towels to rip into polishing and buffing cloths, a 6 pack (or more) of your favorite beverage and a ton of patience. Use the scouring pads carefully on the rusty parts, polish first with Autosol and finish with the Mothers. Liberal amounts of the beverage with dull the pain in your polishing fingers. Patience is a key ingrediant too. Unless you have the money to buy new spokes and re-build the wheel. I went the cheap time consuming way.
Cheers,
Cliff.