why dont you post your shots next time to UPCOMING models, and ask what should be improved, that would save space and help you hopefully
about the lense thing, its supose to be like this --- face (Low poly face with some sort of "nose" and maybe a mouth...but the eyes can be skinned into there (without modeling the "holes"
--- next to face is goggles, the goggles lens can be alphat out (or the texture can be left how you want) to see the eyes...
the face should be different than the lens..it look bad if theres no lens or if you only see a face....
next time you feel like releasing, post pictures of it into UPCOMING MODELS and people will reply, dont believe all the comments new members say like : YEY RELEASE!!!!!!!!!!!!!!!!!
just try to get the critism and help out the comments... people posting comments like that (the yey release....) are just happy for a second, then they just go around other topics and say the same things...
if you promise to ask people opinion on the upcoming section, i can promise to reply to your post's since you clearly need advises (IM NOT SAYING YOU SUCK, i mean you could use a little help and practice

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