Intregating qdl as download manager cutetube as video player modrana as adress opener etc via a long click or open with dailog should be good as they are incredibly good apps which serve their purpose well also it should not hamper perfomance ? btw it is evolving as a nice microb replacement
[cuteTube] regExp=(http(s|)://(www.|m.|)youtube.com/(v/|.+)(v=|list=|)|http://youtu.be/) command=dbus-send --type=method_call --dest=com.maemo.cuteTube / com.maemo.cuteTube.display string:%URL%