HTTP/1.1 200 OK\r\n Content-Type: image/gif\r\n Content-Length: [length in bytes of the image]\r\n \r\n [binary data of your image]
Все для создания Роботов и не только.
HTTP/1.1 200 OK\r\n Content-Type: image/gif\r\n Content-Length: [length in bytes of the image]\r\n \r\n [binary data of your image]