Barhandar
(twi|pony)booru.org
The image has to be a transparent PNG/SVG with the pony at least 800 pixels tall. Given the other image's size, did you pick the wrong file for this on upload?
[bq]2) All digital art submissions must be either *a PNG or SVG file that has a transparent background*. Traditional art submissions are an exception this this rule, but editing out the background and saving it as a PNG would be greatly appreciated.
4) Images of a pony sitting or *standing on all fours should be a minimum of 800px in height, head-to-hoof.* 1200px is preferred. Images of ponies standing on their hind legs or in an unusual pose should be proportional.[/bq]
P.S. You can upload .svg vectors directly to Derpibooru.
[bq]2) All digital art submissions must be either *a PNG or SVG file that has a transparent background*. Traditional art submissions are an exception this this rule, but editing out the background and saving it as a PNG would be greatly appreciated.
4) Images of a pony sitting or *standing on all fours should be a minimum of 800px in height, head-to-hoof.* 1200px is preferred. Images of ponies standing on their hind legs or in an unusual pose should be proportional.[/bq]
P.S. You can upload .svg vectors directly to Derpibooru.