Pues serian imagenes vectoriales creo
https://www.google.com/search?num=10&hl=es&safe=off&client=firefox-a&rls=org.mozilla%3Aes-ES%3Aofficial&site=imghp&tbm=isch&source=hp&biw=1280&bih=734&q=vector+images&oq=vector+ima&gs_l=img.3.0.0l4j0i24l6.1285.5815.0.7124.10.10.0.0.0.0.337.1705.3j2j3j2.10.0...0.0...1ac.1.gw7UBx0mxL4#hl=es&safe=off&client=firefox-a&rls=org.mozilla:es-ES%3Aofficial&site=imghp&tbs=ic:color&tbm=isch&sa=1&q=vectorial+people&oq=vectorial+people&gs_l=img.3...34908.35126.3.35438.3.3.0.0.0.2.295.840.2-3.3.0...0.0...1c.1.AXap-R6KRL0&pbx=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&fp=7a00fb2de7d99845&biw=1280&bih=734
Saludos