Hello to anyone who read this topic.
I added a banner, but I did not know if it'd show in thumbnail when I write my series' link + info, like this:
This one still shows my banner, but I already deleted it (and yes, it has been more than 15 minutes I believed). The reason is I don't really like when it shows in thumbnail --I prefer my thumbnail is the cover of my chapters/cover of my novel. I tried to change my banner too before I deleted it, and it still showing the same old banner.
Is anyone experiencing the same? Or would the thumbnail stays like this forever?