my best job til today, it took me almost a week, please coment it, i want to improve

since i posted a very very bad animated robot, i tried to do it better, i also tried a 8 frame animation trying to make it better, but it reaaallly was

useless, it was just awful, then i started to try isometric pixel art


(this little orange house its the dog house[that i didnt do yet], this is why its so little)




please help me improve it

alright its your opinion, but i just wnat to say that i didnt use gradient tool in it, i ve been wathing lots of video tutorials, then did this robot pixel by pixel, just using the gimp pencil too, about the imo, i think a read something about this, but i really dont remember waht does it mean  ???l about the walking animation, i will stop trying to do walking efects for a while since i figure out that its too hard for me yet

EDIT
i know tha my english isnt very good, but did you got what i mean?

im trying to do an avatar for me, but im still noob so i created a simple one, but it took me a good time

here it is:


i tried to make it walk too, but this movements are smoothness:


and i tried to make some diferents effects here:


please coment it

i create pixel art in gimp, and i also make the animations in gimp, i use windows, does anyone know an better way for me to work with pixels?