Almost there...
Download the latest Cameo/Aphid SD card image here:
cameo-aphid-bone-debian-10.0-iot-armhf-2019-07-07-4gb.img.xz
This image was last updated on 20 June 2021.
Older versions:
cameo-aphid-bone-debian-9.9-iot-armhf-2019-08-03-4gb.img.xz
cameo-aphid-bone-debian-9.5-iot-armhf-2018-10-07-4gb.img.xz
cameo-aphid-bone-debian-9.5-iot-armhf-2018-08-30-4gb.img.xz
cameo-aphid-bone-debian-9.4-iot-armhf-2018-06-17-4gb.img.xz