Help required in paint box tool in flash

hi friends i want to make painting board in flash using AS2 but i am facing one problem which is very sticky… please help me…

well the problem is i want to make software like this
http://graffiti.playdo.com/

i also made a sample but there is an issue which is when i draw circle or line it wont be smooth as graffiti line i am sending images of both, graffiti and my work

i want to make my lines smooth like graffiti or same as graffity, the hint is in graffiti code blurfilter is using but i am unable to use same blurfilter in as2

plz help me :frowning: or send me example code i shall b very thankful to u.