Custom link color or stylesheets

In answer (im not a theme developer) so please improve this answer In WordPress 3.4 the Theme Customiser was introduced for example in Twenty Eleven theme you have a colour wheel. Have a look at Otto’s write up on how to leverage Theme Customiser http://ottopress.com/2012/how-to-leverage-the-theme-customizer-in-your-own-themes/

Use external fonts in WordPress stylesheet

Just a suggestion: Learn from another plugin Take a look at this plugins code to find out how it integrates Google Fonts http://wordpress.org/extend/plugins/wp-google-fonts/screenshots/ Learn by example create your own Theme Panel a. Here’s a wp-tut http://net.tutsplus.com/tutorials/wordpress/how-to-create-a-better-wordpress-options-panel/ b. (from comments below) The easiest approach is to just output the user’s CSS into the page template … … Read more