My recommendation for badges:
Admired
I am very worried about “Admired” cause I am not sure it encourages desired behavior.
Take a step back, what behavior is it encouraging?
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If I am at ratio 0.74 and want to get to 0.75
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Should I go to my “back catalog” and start editing so stuff is bumped and gets more likes?
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Should I stop “posting” so “back catalog” accrues likes
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Should I adjust my style of posting so I only post stuff that is likely to get liked (WARNING: kitty images)
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Honestly, I can not think of any behavior that is good that “admired” encourages, I think we should drop that badge.
Gives back
This is a good badge, it encourages hitting the “like” button, which in turn fosters community.
Bronze: “Thank You”
- Min 6 liked posts, ratio 50%
Silver:
- Min 100 liked posts, ratio 100%
Gold: “Lover”
- Min 500 posts, ratio 200% (eg: you got to like 2 posts for every like you get)
Platinum: 
@zogstrip
- Min 2000 liked posts, Ratio 100000%
Generous
Bronze “Out of Love”
- Ran out of likes once
Silver
- Ran out of likes 5 times
Gold
- Ran out of likes in 20 times
Note the idea behind Gold is that it is very hard to get, we need to be very careful to devalue gold badges.