make thumbnails for asset versions
make thumbnails for asset versions


riseuplabs/crabgrass,nilclass/echosocial,nilclass/echosocial,geoiq/digitalgazette,riseuplabs/crabgrass,nilclass/echosocial,adammck/crabgrass,adammck/crabgrass,geoiq/digitalgazette,ajturner/crisiscommons,ajturner/crisiscommons,ajturner/crisiscommons,adammck/crabgrass,riseuplabs/crabgrass,geoiq/digitalgazette,riseuplabs/crabgrass,nilclass/echosocial,geoiq/digitalgazette,adammck/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,ajturner/crisiscommons,riseuplabs/crabgrass