Load SparkIV.
Then open your pedprops.img in your cdimages folder.
Then scroll down to player_p.wtd and edit it.
Then scroll down to you find something called p_eyes_diff_002_a, then use Import Texture button in tool, then find the
p_eyes_diff_002_a you got from me.
Now click Save and close, then again hit save button and close SparkIV.
Now load GTA4 and sellect your new cool shades