COURTS:How to make court lines thiner?

anyone knows how to do it, I mean it should look like this:

but when I import it to the ***crt.fsh, the lines are same as at the pic(a black line is aroud the white LINE),I saved it as PNG but same thing happens..Anyone can help me to make the lines(I mean the 3pt lines, boundary field lines....court line) thiner?please?
I'd be greatful for any kind of information how to do it
Thank You!

c'mon guys, help me!!please

thanks for nothin', I made by myself...