Casper web screenshot

gistfile1.js

var casper = require("casper").create({
    verbose: true,
    logLeval: "debug",
    timeout: 5000,
    onTimeout: function() {
        casper.echo("oups Timeout", arguments);
    }
});

var args = casper.cli.args;

casper.start().each(args, function(self, arg) {
    self.thenOpen('http://' + arg, function() {
        this.capture( arg + '.png');
        casper.echo(arg);
        });
});

casper.run();