Fantastic mod with sound effects, accurate movement, and better graphics.
There are now at least three people working on getting Krystal playable in Star Fox Adventures. See some of their progress so far. Also, one of them might have found part of the old Dinosaur Planet demo code.
Nightcast has made amazing progress on the Holy Grail of Krystal mods, but he could use some help from anyone experienced in reverse engineering data formats.