Surface brightness images of quasi-opaque accretion tori around extreme Kerr (a = 0.998) black holes, viewed from left to right, top to bottom, at observer inclination angles of 30°, 45°, 75° and 85°. Same parameters as Fig. 8, but now β = 5 × 10^-5. Line emission and continuum emission are included. These tori also self-occult and higher-order emission is greatly suppressed at high inclination angles. The images are normalised such that the brightest pixel in each image is of the same intensity.