Ubuntu MATE & Budgie Drop 32-bit ISOs - OMG! Ubuntu
BPI-R1 new image:Ubuntu-mate-16.04-Xenial-preview-bpi-r1-sd-emmc 2016-06-04 - image - banana pi single board computer open source project official forum BPI team
Ubuntu 18.04.5 and 16.04.7 LTS Release Candidate ISOs Now Ready for Public Testing - 9to5Linux
See What's New in Ubuntu 16.04 LTS Flavors - OMG! Ubuntu
linuxium.com.au: Ubuntu flavoured 16.04 ISOs for Atom based Intel Compute Sticks