imp: Using application specific theme

Hello Experts,

I have created a theme in portal theme editor and stored it in the same forlder as SAP Standard themes.

Now i want to use this theme for a specific WD APplication.

I am trying to use IView Application Parameter

sap-cssurl=http://wbmssap29:50100/webdynpro/resources/sap.com/tc_wddispwda/global/SSR/themes/sap_chrome/ur/ur_ie6.css

Also i have read the article which tells how to use specific theme using WD Application properties files, but can i configure my theme from the POrtal Page itself.

Need your help..

Kind REgards,

Gursimran Singh.