Tweaks to image tag, changed "mp4" to "jpg", added alt. /cc #1922
Tweaks to image tag, changed "mp4" to "jpg", added alt. /cc #1922

unor/schemaorg,schemaorg/schemaorg,schemaorg/schemaorg,unor/schemaorg,schemaorg/schemaorg,schemaorg/schemaorg,vholland/schemaorg,vholland/schemaorg,vholland/schemaorg,schemaorg/schemaorg,vholland/schemaorg,unor/schemaorg