Recommend graphic library with effects effects sketch, pensile written etc

[Dikson]

Could somebody recommend free graphic library (for commercial usage) for using with PHP? I need pensile painted effects, for example sketch. Thank you

[Weedpacket]

[man]imagick[/man]
E.g.,
http://www.imagemagick.org/Usage/photos/#pencil

[Dikson]

this is exectly what I need. Thank you