Well you got some useful and some trying to be helpful nice answers. I do understand emergency nature of your request so I spent some time researching it before responding.

First, PREVENTION =

http://mrtuffy.com/

Then might try same question in the Mechanic or General sections:

http://www.bikeforums.net/showthread...ner-tubes-work

Finally, here are some other places I found:

http://www.amazon.com/Fix-A-Flat-Bic...ews/B000EA5WOU

http://www.slowtwitch.com/Products/T...ants_2765.html

http://www.competitivecyclist.com/re...lant_1423.html

http://mtbtires.com/tech/sealant_test/

http://www.ehow.com/way_5835858_home...Pit-Stop.shtml

http://www.gizmag.com/slime-self-sea...t-tubes/14577/

http://road.cc/content/review/60017-...ealant-extreme

NONE OF THESE ARE MY PERSONAL EXPERIENCE, so just FYI. Hope this is helpful enough.

Be well...