Your facebook page has to represnt your brand personality. This means you need strong graphics - we can help at GTP for an affordable price once place stop for all your facebook Graohics needs.
Instagram is connected to your facebook companpaign for advertising but the ad graphic style is a little different but dont worry we can help you set this all up with ease.
Linkedin is a professional environment and as a business your Linkedin header should reflect that. Keeping your graphics professional and within your company brand will boost you visablity on linkedin.