Images from R are instantly included into ® markdown files, and the same applies for blogdown posts.
See:
x <- 1:10 plot(x) However, for external images - such as photos - things are more complicated. First, all is still fine, if an image is found on some URL/server on the internet:
knitr::include_graphics("https://upload.wikimedia.org/wikipedia/commons/thumb/1/1b/R_logo.svg/310px-R_logo.svg.png") Of course, one can apply direct markdown syntax for including external images:
{width=20%} …
![https://upload.wikimedia.org/wikipedia/commons/thumb/1/1b/R_logo.svg/310px-R_logo.svg.png"](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1b/R_logo.svg/310px-R_logo.svg.png"){kind=link}