This page provides a collection of resources and links that you will hopefully find useful
Photos and Images
There are a number of websites where you can get images, graphics and photos for free that can in most cases be used for commercial applications under a Creative Commons License. These include: Pexels and Pixabay.
Invest in Spain is a website geared towards outside investors interested in developing their business in Spain but has some useful. albeit high-level, information for anyone considering starting a business in Spain. It also includes a comprehensive Guide to Business in Spain. Information is in Spanish or English.