As the way that people give money to the causes they care about changes (a study by Three in November 2013 found that a quarter of charity donations are now received via mobile or online), how non-profits inform people about their cause,  attract online donors, and promote new  fundraising initiatives - especially on social media - is more crucial than ever.

As one of the world's biggest and best-known charities, Oxfam utilises localised social media profiles to best target its audience in different regions. In the following examples, I highlight 5 powerful ways that Oxfam GB (Great Britain) uses images on Facebook to engage with fans, and they're strategies that can be applied to almost any cause.