Tributes are creations and/or stopmotions dedicated from one creator to another.
Types[]
There are many types of tributes given on Creations. There are miniseries parts dedicated to a ceratin creator, a stopmotion, or even just a quick snapshot of the recipients minifigure.
Reasons[]
There are also many reasons to give a creator a tribute. Many times, it's simply to thank the recipient for their friendship to the giver, but some are done as apologies, goodbyes, welcomes, or even contest prizes.
Reception[]
Tributes are generally well recepted among the Lego.com community, often used as a sign of friendship.
However, there are users who believe that tributes are unneccessary and useless.