Yes have that part of the code alright,
This is what is displaying in the serial monitor
Starting muiltiple datastream upload to Cosm...
Thermister 22.79
relativeHumidity 26.75
BPW34 723.18
Uploading it to Cosm
cosmclient.put returned -3
Looking at the cosm debug info nothing showing too its still Awaiting incoming requests...
strange that wifi shield works but not the Ethernet shield
ahhhh I got it now working! nothing wrong with it just isn't working in college! works perfectly at home 
happy days,
By any chance do you know if there is a wifi signal booster for the wifi shield just chancing my arm or does anyone, might try tin foil or something hehe