User blog comment:Ducksoup/Sprucing up your Main Page: Introducing the Hero Image/@comment-8072-20150312234755/@comment--20150313030456

Ah, okay. So its "suppose" to promote you, but seeing your Wiki may be a low chance? I wonder if it has anything to do with time cycles. Like for one week, these 100 Wiki's will be promoted, and then next week another different 100 Wiki's will be promoted.