Btw. you really don't need a well designed model to work on your game, download a free model (and maybe modify it a little) or use basic prototype models. Then, when you have advanced with your game and care for graphics, you can try to get an artist again with more information and screenshots about/ of your project.
"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual