graphic design job for mobile game

We need an experienced graphic artist for mobile game that will be developed for ios. expectations from freelancer: -must be finished at least one mobile game graphics. -ability to finish all kind of graphic job. -character design, skilled handdrawings -must be finished at least one similar job on this web site. -capable to make orc, zombie walking dying animations. Game Details: -Game will be like standart tower defence mantality but including some major differences -similar games are plants and zombies, zombie smash -enemies will come from A point to B point. user will see them ""ortographic"". -there may be a path but enemies move randomly ,you cant predict their speed and direction but sure they want to reach to B. -our main killer weapon is our "finger" yes just like in f r u i t n i n j a [login to view URL] kills enemies with a single slash or more. -when an enemy dies user get point it goes but an energy appers if user touches to it gains [login to view URL] we can gain point and cyrstal if an enemy [login to view URL] energy thing moves and disappears in [login to view URL] have to care to collect them.""kill enemy and try to collect the cyrstal"". -with cyrstal points user can build towers(let say this building )this building will slow and affect the enemy but wont [login to view URL] have to use his finger to finish him. -no level mentality just harder enemy faster [login to view URL] gain cyrstal builds blocks,towers, slowing objects, confusers,temporary blocks, ditches. users will make a path with walls for enemies that make their path longer.. -walls need point to be [login to view URL] and blockes need cyrstal to be builded. -user collect different cyrstals from different enemies. -user can make combinations from crystals that affects different type enemies. -game over if enough enemy reaches to B. -WE NEED 20 ENEMY TYPES -WE NEED 10 BLOCKiNG BUiLDING(WATER TOWER, POiSON MAGNETiC SLOWERS ,ETC) -WE NEED 4 DIFFERENT CRSYTAL -WE NEED 5 DIFFERENT wall types. you will only make graphic design job, programming is belong to us. budget is 500 $