Favorite Zentangle Pieces

I've been Zentangling for about 18 months. Here's a few of my favorite pieces.
  1. A challenge at the "Made by Joey" site using Roman numerals.
  2. Layered red and black tile.
  3. Piece I made at FilKONtario (FKO), a science fiction music convention.
  4. Celtic knots and Zengems.
  5. Tribute to Alan Rickman.