please add preminecoin.
It's already on Coinmarketcap and made it to the Top 50 for a short time.
Actually it's on Place 79 with a Marketcap of around 200,000 $, but I'm sure it will hit the Top 50 soon again.
Please add it to WorldCoinIndex. I like your site more cause it can show the prices also in EUR
https://bitcointalk.org/index.php?topic=427519.0