I have not tried this, however would this work for you?
http://www.composite.net/Add-on-Market/Packages/CphCloud.Packages.UrlAlias
I tried adding a URL in the page settings URL Title field with a .aspx, but it doesn't let you add a . to the url.
http://www.composite.net/Add-on-Market/Packages/CphCloud.Packages.UrlAlias
I tried adding a URL in the page settings URL Title field with a .aspx, but it doesn't let you add a . to the url.