First of all be more patient. You seem to think everyone here is just dying to help you with your problem.
I already replied to the message you sent me and told you what to do. RESTORE your phone to 3.1.2
Download the ipsw file from the site mentioned in the iphone help thread here on pw , save it to your desktop or wherever.
Connect your iphone and open itunes , hold shift down and click "Restore" , then choose the ipsw file. MAKE SURE THE FILE NAME HAS .ipsw AT THE END.
Once your phone is running on that firmware , download blackrain from blackra1n.com , once you have the program , open it and click "make it rain". Ignore anything itunes says. You should see the geohot picture on your iphone (the same one as on the blackrain website) , just wait till blackrain does its job. Then it will prompt you to choose Cydia and Rockapp. Choose both or one. Up to you.
If you're still having problems then just spare some cash , take it to a shop and let them deal with it.