You're already on your way. I'm thinking of trying out D.Buzz but I'm still 50-50 on that. I see value in short content but it doesn't connect well with financial rewards for me anyway. I could understand a post containing one awesome pic with less than 2 sentence being rewarded a lot but those outliers rarely happen. I like the recent improvements that app has done when it comes to having max pay outs. But I don't think it suits me yet since my content usually runs around more than 250 words average.
Yeah leofinance is one good place to get rewarded for giving well thought out comments. But you have to build a long term reputation in the community which is I'm having trouble doing given that we can't spend a lot of our time online.