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One option is to delegate to @curangle. Then you can suggest posts to downvote in curangel.com.

Good info. I will look into that. Thanks!

Oh shoot! I made an typo, meant @curangel. So you can delegate to them, then curators look for posts to be upvoted by @curangel. 20 percent of the curation rewards go to curators and 80 goes to delegators. Then as an extra feature delegators can suggest posts to downvote.

That's funny cause I read it as angel the first time anyway. :)