Have a look at Long-Term Charts on the website of my good friend Steve Moore.
Not only Currency charts, but also Commodities, Indexes etc.
Further, end-of-day prices are available, incl. Currency Futures:
http://www.mrci.com/ohlc/ohlc-all.php
A very good source for daily data and information.
Trading Forex in Baskets to diversify trading risk for both, speculative trading or hedging Forex risk by 
