how do i change my cursor?

i wanted to change my cursor i tried looking on google but it was only for a flash movie

since it is close to halloween i wanted to change it into a pumpking drawing a made in paint
does anybody know how to do this?
or give me a link to a download that will allow me to do this?

and sorry if this the wrong catagory i didnt know where else to put it :-o

 

check this out,the download will take you directly to your pumkin but if you look around there are many more.

http://www.totallyfreecursors.com/category.cfm/id/56/Halloween.htm