need help with pics..

[itz_alan]

im trying to upload a pic for my sig but each time i go to upload it and actually click the upload button after selecting the picture, the preview wont show.. its just that little box with the red 'X'.. i dont know why this is happening, if anybody has a clue as to what im doing wrong or something plz let me know.. thanks..
alan

 

[Togan]

make sure your format is one of the accepted ones...use jpg

 

[itz_alan]

i think im using jpg.. im pretty sure the pics were jpg

 

[Togan]

did u use