Use images in ggplot21 days ago
Arguments shared by the image layers | Drawing images at data points | geom_image | geom_image_repel | geom_subview | Sub-views from other graphics systems | Images as backgrounds | geom_bgimage | ggbackground | Images from remote services | geom_pokemon | geom_emoji | geom_icon | geom_flag | geom_worldcup2018 | geom_phylopic | Listing the images that are available | Interactive images | Animating frames with gganimate | What this does not promise | Legend keys | Themes | Reading images | Previewing a plot | The image cache