funny german shepherd dog jumping with joy on white background

german shepherd dog jumping funny happy white background alexander jansson style joyful optimistic closeup intensity flickr gianni strino associated press dignified poses canine leap playful happiness cheerful energetic enthusiastic excitement humorous amusing delightful whimsical lively vibrant uplifting positive joy captured photorealistic jumps mouth open dynamic showcases movement dog shot kodak colorplus film high-speed sync enhances portrayal artwork draws inspiration works henryk gotlib raymond swanland generated