Graphics look nice...
controls respond, and all that. I read your responses to coments and I see that the reason it's on newgrounds is so that it can get feedback and you can put it on your progress blog, so I understand that you don't really need all the griping about it not being finished, so I'll try to make this part quick... while it seems reasonable to have a progress blog, depending on how often you show progress it's a lot of clutter for the site. If you make games alot anyway I suggest you make your own site so that you can do this sort of thing without having to worry that one of your links suddenly stops working because it got blammed or somthing, though I understand that will probably result in less feedback. I feel like you haven't really left people much to give feedback on at all at this point though.
Well as I said, I love the animation style, reminds me of Fancy Pants adventure. I have run around for about two minutes and it doesn't seem to be glitching. The jump should be higher I think, because at this point I can't imagine it'd be useful at all, that being said, if you can pull of making this tiny jump effective in gameplay then it'll be fine if you don't jump high. There is also one more thing, when you jump into a wall it seems like it waits till you land to do the crash animation, which looks a bit odd, so I suggest you animate a jumping crash also. Well I look forward to seeing this game when it finishes, looks like it'll be pretty good.