Martin Yeo

Closing now the intent is captured in #6120.

@SciTools/peloton: Image hashing is fast, and we are already downloading all of the images as part of iris-test-data. Team is in agreement that we could do with a test like...

(if there were a rate limiting problem we could write a CRON GHA within iris-test-data)

> If we are thinking of hashing all the reference images as part of the regular tests, could we ditch the `imagerepo.json` entirely and just have the individual image tests...

Gonna try to get it back down to the original size.

> Gonna try to get it back down to the original size. OK regardless of pixel size it seems to still render pretty big in RTD. There is probably some...

[Text outlines are easy in Matplotlib apparently](https://osxastrotricks.wordpress.com/2014/12/02/add-border-around-text-with-matplotlib) 

@ESadek-MO has this been delivered?

To quote myself before I forget it again: >Low resourcing makes documentation even more important: > > - Can be a surrogate for user support > - Can help people...

I'm assuming this one needs to stay open @stephenworsley ?