Boy, had to scan the archives to find this.  I don't even know how valid this is any more really, as the IOS config has moved on quite significantly from there, but I've attached the HTML file I made up years ago and a small picture to go along with ...

You won't be able to create another static mapping the 192.168.1.9 internal address to the same external IP address as the .8 server.  If you have a spare public IP address allocated from your ISP then you can just create a second static for the outg...

The FWSM (or the PIX/ASA) does NOT allow FTP proxy connections. These are seen as a security risk and therefore denied. If you look at the syslog messages, you'll see a message similar to: *****%FWSM-4-406002: FTP port command different address: 1....