If you want to create a better log in page than the standard WordPress log in page install this plugin. This plugin themes the WordPress login, registration and forgot password pages according to your current theme. It creates a page to use in place of wp-login.php, using a page template from your theme. Also includes a widget for sidebar login.
To install this plugin, simply go to your WordPress dashboard and go to Plugins > Add New.
Once installed, activate the plugin and you will find a new tab on the side menu called TML.
The plugin comes installed with the General settings checked. This means when you now go to /wp-admin you will be directed to /login. You can then go down the Modules settings and check more features. Once you enable a new feature you will have a new tab appear under TML and you can change the settings for those features.
For example, heres Themed Profiles extra settings.
Mess around with the features on this plugin and see what benefits you and your website.