This script adds a looseprop of your choice on your mouse position by 
saying
"drop (prop name)"
{ 
"$1" GREPSUB prop = 
MOUSEPOS y = x = 
prop MOUSEPOS ADDLOOSEPROP 
"" CHATSTR = 
} CHATSTR "^drop (.*)" GREPSTR IF

    Source: geocities.com/siliconvalley/network/8524/scripts

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