Need help with modeling,guns and kinda stuff

[xdEpicZombie]

this time i really hope someone with experience can help me,i made a mp5k model in milkshape but how ill convert it to md3,animations,skinning/textureing,i need some help with that,
here are some screenies of my work :)

http://www.upload.ee/image/1957203/1.bmp
http://www.upload.ee/image/1957205/2.bmp