Rewarding not only people who raid well, but defend well.
My base often gets raided and usually I win. Trophies are great, but trophies are something that can be not useful to a player (unless they are trophie hunters people tend to stay in a trophie range). I think a reward of gold or elixir will be really good if your base holds out an attack. Perhaps the gold and elixir stolen is refunded, ect. This will give the community even more reasons to discuss about vase layouts, ect, and rewards people who are upgrading and choosing smart base designs.
Thanks lolmanlee