That last part changes the tags mid generation by the percentage of the decimal at the end. Starting off with dark / night / dim lighting then switching allows for deeper blacks / more vivid colors.
For how/what to download to run the model yourself (forge through stability matrix imo) and other help / links to helpful resources there is a AI Art thread on /MLP/
Backup to the current thread: https://desuarchive.org/mlp/thread/40939912
Btw, for anyone who wants more pony I post a ton of my “doodles” / experiments here and I’ll continue to do so: https://subscribestar.adult/ada