These images came from a collection of Hypercard clip art.
This one is from the ftp.funet.fi collection:
These came from the Usenet group alt.binaries.clip-art. Click on the pictures to get bigger versions.
I can't remember where I found this one!
This one is from a page of music-related clip art. Click on it to get the full-sized version.
I'm still looking for more things to put on this page!