just bought a used flashforge creator dual off craigslist these are my first prints

[fatzombies]

everything was printed at 0.2 layer height and 60 mm's.IMG_1611.jpgIMG_1612.jpgIMG_1613.jpgIMG_1614.jpgIMG_1615.jpgThere was a lot of warping on the stomach of the frog how do i fix that?