According to Facebook, your cover photo is displayed at different sizes on desktops and on smartphones — 820 pixels wide by 312 pixels tall on desktops and 640 pixels wide by 360 pixels tall on smartphones. If you want to use a single image that works pretty well on both desktop and mobile, I found that 820 pixels wide by 462 pixels tall seems to be the best.
Web design is a very technical field that requires high literacy in many different kinds of software, including image editing and website architecture programs. A designer should be comfortable with computer “languages” like HTML and stay up to date on new technological developments. The designer is also an artist, so he or she should also have a firm grasp on aesthetics, visual continuity, and image composition.
The problem with affiliate marketing, like many other home business options, are the so-called gurus and get-rich-quick programs that suggest affiliate marketing can be done fast and with little effort. Odds are you've read claims of affiliate marketing programs that say you can make hundreds of thousands of dollars a month doing almost nothing ("Three clicks to rich!"). Or, they suggest you can set up your affiliate site, and then forget it, except to check your bank deposits.
We’ve come across many well-meaning marketers and entrepreneurs who create personal profiles for their brands, instead of an actual Facebook Business Page. That puts you at a huge disadvantage -- you’re missing out on all of the content creation tools, paid promotional opportunities, and analytics/insights that come with a Facebook Business Page. Plus, a personal profile would require people to send you a friend request in order to engage with you, and the last thing you want to do is make that more difficult for customers.