How can i edit sef url details page url?

[Ersen]

Hello i am using sef url in my 4homepages.

My category page url:
http://www.example.com/cat-audi-4.htm

my details page url:
http://www.example.com/img-audi-4-audi-a6-car-3094.htm

i want to edit the detail page url this:

http://www.example.com/img-audi-a6-car-3094.htm (only image name in url)

i tried a few things in includes/sessions.php and .htaccess but i could not.

How can i do this?

[Ersen]

Does anyone knows?