Buy L$ and get them instantly. 270L$ for 1$ . Stable exchange rate.
http://yolto.com/Buy/Currencies.aspx
'How it works' video: http://yolto.com/Buy/Help/GameCurrencyPurchase.aspx
Sell L$ to us, reload your Yolto card and buy Game Cards or another game currencies in the Metamarket. We pay 1$ for every 280L$
Video explaining how to reload your Yolto card with L$ is here: http://yolto.com/Pay/Help/SecondLifeReload.aspx
US-based business. We use the Risk API (sounds like "We call the police", right? We do... sometimes).