Unity GUITexture watermark-small dont appear in scene window

hello all,

i do hope some one can help me with this hopefully tiny issue : look at the picture :

all over youtube sample videos i see on that place a white paper icon here i see a mesh like picture ?
should be this :

maby thats way i dont see the GUI Texture wen i made one on the scene window ??

i l hope someone will clear me up on this ,

ow… and re-installed unity3D several times

thanks in advanced !

Hola yo no encuentro la opción en el unity 5 .
Según la un tutorial de youtube…
tampoco se como agregar cielo XD