I'm glad to hear that SolarCoin is thinking about getting on Ripple. I think this would be a significant benefit to any altcoin, because it enables people to buy the coin directly for dollars, euros, and other fiat currencies. Most ordinary people in the world don't necessarily want to have to buy Bitcoins just to get another cryptocurrency they're interested in. In fact some of the progressive types of people who could be interested in a project like SolarCoin tend to have negative views of Bitcoin.

I would be happy to provide input on how you could get the SolarCoin blockchain bridged with Ripple so that Ripple users can buy and trade SLR for fiat, transfer SLR from their Ripple wallet to an external SolarCoin wallet and vice versa. It's a complex process of how it actually works, technologically speaking, and it takes a lot of study and networking with the right people to implement this.

My own new cryptocurrency project which just launched, Grantcoin, went through this learning curve and will be one of the first altcoins with a fully automated gateway/bridge into Ripple, coming in June. I would be happy to put the SolarCoin team in touch with people who could get the job done for you. But I should also note, it will cost a significant amount of money unless you could find somebody to do it for a SLR grant, which may be a challenge since this is serious development work, much harder than just implementing PoSV or something like that.

Let me know if interested to discuss Ripple bridging.