unless they specifically ask and even then I worry...
Which is understandable if you've ever met someone who's all: Concrit! Yeah, totally! and then gets defensive and cranky about it.

And also, kind of weird considering I'm not much of an icon maker myself.
But you still have...eyes, you know? ;)

Coming from someone with your talent and skill, on the other hand, it might be appreciated
Or it might come across as condescending. Ah, the possibilities.