fetch(x, what = "original", format = "gif", dest = NULL, quiet = FALSE)
original will
always be available but giphy supplies fixed_height,
fixed_width downsized, etc. See
names(x$images) for possible options for a given image.
The default is to download the original (largest) gif.mp4 and webp are often available (for
what="looping" the only option is mp4.show_gif.
Download a gif