with utilization of splats you could do something like this:
var app = require('express')();
app.set('view engine', 'jade');
// /foo/Sam/path/to/view.jade yield a rendering of 'path/to/view.jade' with name: 'Sam'
app.get('/foo/:name/*.*', function(req, res) {
res.render(req.params.join('.'), {name: req.params.name});
});
app.listen(3000);