STEP I: How to trade.
1. Step one: Open your ripple wallet => go to "advanced" => then "trade"
2. Click on "Change issuer" then put the bitstamp gateway address which is : rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B
3.You can start trading.
STEP II: How to withdraw your bitcoin
1. Create an account on bitstamp (around 5-6minutes)
2. Inside bitstamp click on "Deposit" ==> then click on "ripple" and copy paste your withdrawal address.
3. Look at you Ripple wallet again ==> Send=> you put the deposit ripple address you've just copy past=> you set the amount and what currrency you wanna withdraw=> Click SEND.
Conclusion: In 5min you have avoided middle mans getting rich on ignorance and saved some money.
Optional
Step III: How to put money in your ripple account ?
1. You go on your bitstamp account ==> click on "withdrawal" => then click on "ripple"
2. Put your wallet ripple address (ripple wallet=>"receive")
3. Set the amount and currency then=> SEND
I hope this mini guide would be useful and will make you save a lot of money. With love. Post "+1" if it helped you in order to make this known by everyone.
Advanced mates:
https://ripple.com/wiki/Gateway_ListBy the way i'll answer question if you need more help.