Currently the avatar in the main discussions index list is the first poster - this causes discussions to become stagnant in how they look over time.
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E.g. if a discussion has 2,000 replies over 5 year period - it makes the discussion appear stagnant, repetitive and uninteresting over time. Additionally, it's quite likely the person that opened the thread could have deleted their account, yet it still shows their avatar - which may even be a placeholder of some kind.
Proposal
- Add a setting under "Appearance" (or a config PHP setting) which will change the avatar to display as the Latest Poster rather than the first poster