I found the answer to clearing pen trails

"R.D. Latimer" <[email protected]> Thu, 10 Jan 2013 10:11:27 -0500
Newsgroups gmane.comp.lang.smalltalk.squeak.squeakland
Message-ID <CAM8Wt+bxTf_XWUSUPH2xV0ALkW+20qYjyAsG6FU1JNAOZu+hig@mail.gmail.com>
No need for help on pen trails anymore.  I found the 'clear pen
trails' in the 'pen trails' section does the trick.