xScape Theme Framework and all themes based on it support customization of WordPress login page. You can select colors, logo image, background image, form layout and few more display settings. Working with this is very easy, and can be done with few mouse clicks.
Google Web Fonts are supported by all modern browsers and allow you to use non standard fonts on your website. Fonts are loaded from Google servers, and xScape Theme Framework has support for them built in allowing you to change fonts for any CSS selector.
There was a lot of talk before on how to install and update themes, but now, with the release of new Dev4Press Updater 1.5 that can also install themes, here are 2 video tutorials and list of previous posts dealing with the process of installing and updating any of the xScape based themes.