More importantly when carried out with all images on your page, it really stands out, increases consistency and makes a big difference when creating professional pages. This technique works on any and every social account, on any pictures. See bellow for how it turns out on Instagram.
We can help you with free and paid options of advertising on social media. Both are important and both are recommended in todays era. It is a highly successful and very cost effective form of marketing that you need to be utilising.