How to access the given url with parameters in your rails ap

Hi All,

I have a problem. How can i use my rails created URL in my application.
I Explain it briefly with an Example what i have to do .
First please see the website (www.rails2u.com/bgmaker). I have to make
the Image URL like this and facilate the user to use the url as image
souce in his application as it is working presently.
I succeed to make the url but unable to create the image on the fly with
that url.
my url is like this on my localhost
http://localhost:3000/images/image_creation/slash/xyz9427087.jpg?margin=3&linecolor=4FCCCC&bgcolor=FFFF36

If Anyone having any solution please let me know it would be great help
for me

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