I like to use this
http://buy.snapon.com/catalog/pro_det.asp?P65=yes&qt=1&tool=all&catItem=true&INV_ONHAND=&FREIGHT=&qty=1&Item_id=55899&PartNo=SG3ASH45&Price=7.70&ListPrice=7.70&FORMNAME=4&Desc=Tool%2C+Mini-Bent+Tip%2C+45%B0%2C+Soft+Grip%2C+Red%2C+6%22&SUB_Cat_ID=1464877&SUB_Cat_NAME=Awls+Hooks+And+Picks&Cat_ID=1464876&Cat_NAME=Awls+Hooks+And+Picks&group_id=13338&group_NAME=Miniature+Awls%2C+Hooks+and+Picks+%2F+Soft+Grip&store=snapon-store&dir=catalog

SG3ASH45

I like to use a drill to make sure all the crud that builds up is out of the nozzle, and then I adjust it with that tool, and its always fun to aim them toward other cars, but people really dont like that for some reason. I used to use pink deicing fluid, but it stains white paint. =)

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Current Stable:
1994 S500 v140, 210k miles, white with grey.

Former Mercedes in the Stable:
1983 300CD Turbo diesel 515k mi sold (rumor has it, that it has 750k miles on it now)
1984 300CD Turbo Diesel 150 k mi sold
1982 300D Turbo Diesel 225 sold
1987 300D Turbo Diesel 255k mi sold
1988 300 CE AMG Hammer 15k mi sold
1986 "300E" Amg Hammer 88k mi sold (it was really a 200, not even an E (124.020)
1992 500E 156k mi sold
etc.