just type lon:symbol bellow to  http://finance.google.com to see the chart

   
ETFS Wheat (WEAT)                              x    ETFS Short Wheat (SWEA)
ETFS Sugar (SUGA)                               x     ETFS Short Sugar (SSUG)
ETFS Soybean Oil (SOYO)                      x    ETFS Short Soybean Oil (SSYO)
ETFS Soybeans (SOYB)                         x     ETFS Short Soybeans (SSOB)
ETFS Cotton (COTN)                             x     ETFS Short Cotton (SCTO)  
ETFS Corn (CORN)                               x      ETFS Short Corn (SCOR)
ETFS Coffee (COFF)                             x      ETFS Short Coffee (SCFE)

Natural Gas (NGAS)                            x         ETFS Short Natural Gas (SNGA)
ETFS Crude Oil (CRUD)                       x        ETFS Short Crude Oil (SOIL)

ETFS Zinc (ZINC)                               x         ETFS Short Zinc (SZIC)  
ETFS Nickel (NICK)                             x         ETFS Short Nickel (SNIK)
ETFS Copper (COPA)                          x         ETFS Short Copper (SCOP)
ETFS Aluminium (ALUM)                     x          ETFS Short Aluminium (SALU)

ETFS Live Cattle (CATL)                     x          ETFS Short Live Cattle (SLCT)
ETFS Lean Hogs (HOGS)                    x          ETFS Short Lean Hogs (SLHO)  

ETFS Silver (SLVR)                            x          ETFS Short Silver (SSIL)
ETFS Gold (BULL)                             x          ETFS Short Gold (SBUL)  
ETFS Palladium (PHPD)                      x          
ETFS Platinum (PHPT)                        x         ETFS Short Platinum (SPLA)