How to customise your iphone after a jail break?

Hi guys, I have just jail broken my iphone 3gs using spirit. All went well but now im stuck and unsure of what to do next in terms of customising, installing third party apps on it etc? The phone looks the same as it was before the jail break. Im really confused!! Any help would be great. Thanks.How to customise your iphone after a jail break?find an app called cydia this is the jailbreak equivalent to the app store, once on there are thousands of themes that can be activated through another app called winterboard(blue snowflake app, should already be downloaded) as well as many other customizations. head over to http://www.ipodtouchfans.com/ there are plenty of tutorials and thing if you have any other questionsHow to customise your iphone after a jail break?Do you not see the cydia application icon on the home screen ?