Some graphics appear by permission courtesy of their authors, and are indicated as such.
Permission has been granted for ICT to offer them for non-commercial private use providing a link back to this site is attached to the graphic . This ensures proper credit is posted and that these graphics are not interpreted as public domain. Our animations are entirely FREE of charge, but contributions are both welcome and encouraged. Larger contributions are eligible for U.S. tax receipts. If you prefer your donation to go to the artist please indicate so.