Here’s a Mashable article which describes the various types of clouds, along with some spectacular photos. Andrew Freedman provides rankings that are definitely biased towards severe weather and leave out several varieties of clouds altogether (like cirrus and cumulus), but the pictures are still worth seeing. Check it out at https://mashable.com/2018/05/06/cloud-types-ranked/?utm_cid=hp-n-1#LJvtrYCARsqn.