Standard-definition (480p) screencaps from “Heart of Gold,” about 26:33 and onward:
One of the graphic designers for Firefly posted some concept art for Jayne’s shirts online. All the designs seen in the show and film have been replicated, I think, but not the unused designs…
Above is my replica of the “Perfect Cat” shirt art, on two different royal blue tees from TeePublic. Below is the original concept art:
Mine should be very accurate, though since this was never made(?), there’s no ‘hero’ to compare it to. I found the tiger head image, counted the number of tiles in the mosaic, then vectorized the image and manually shifted the rows and columns apart. And redrew the Chinese text by hand. A lot of tedious manual work. I suspect he used some kind of proprietary Photoshop plug-in for the pixel effect.