Yes, you can/must have an icon per plugin. The icon is shown in the control panel’s plugin list.
Here is one of the more colourful examples: https://tid.li/tw5/plugins.html#%24%3A%2FControlPanel Good luck! Thomas -- You received this message because you are subscribed to the Google Groups "TiddlyWikiDev" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywikidev+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/tiddlywikidev. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywikidev/5494b287-5947-48ab-8ff5-f192a11f734b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.