steam powered train

My friend asked me to create some images for his website, after some explaining of what he wanted, which was a sort of steam punk machine that was longer than it was short (dimensions were somewhat restrictive) I came up with a train. however, since then he and I have talked and came up with another idea which is more simple and fits his website better. not to say my work on the trains (I drew four or five concept sketches) went to waste, I have been pushing myself to master perspective even more now and this was just the excuse I was looking for to draw more often.

Perspective sketch 1

well, I found an artist who I really enjoy their style, and as I looked through their gallery I realized that they had an exceptional handle on perspective, and it really added to the viewing experience. having said all that, I promptly went through my art books and found a few pages which spoke of perspective, and the didn't give me very much to go off of, but this is what I came up with. I will use this sketch as a point of reference to gauge my progress.

drawings while camping

some of the sketches I did while on our family's fourth of July camping trip. I've decided to try doing detail sketches of mouths for a little while. then I'll move on to ears or noses or something of that sort. trying to draw them and express an emotion with them. of course, ears aren't going to be emotion so much...

shading practice

well, this picture took me around 30-40 minutes to do. I'm just trying to practice rendering semi-realistic faces without making them look flat. this is a first attempt and I'm fairly pleased with the result, I really could use some feedback on this one so that I can improve. thanks!