I don’t know about blogs specifically, but custom news with text links in them work extremely well. I believe it’s because of those that I get a 1/17 or 1/18 click to deposit ratio.
I personally am not interested in anything that looks like marketing and I suspect that others don’t like it either. Some websites write news that read like very official press releases or something and it doesn’t have a “hey buddy, these are today’s picks.. by the way, you can get a 50$ bet at this link” to it.