performance/syntax tweaks to the img_holder helper
performance/syntax tweaks to the img_holder helper

nathos/amicus,chadoh/tethysdeep,everyleaf/manyo-road,tetsuo692/belleguic,chadoh/tethysdeep,nathos/amicus,chadoh/tethysdeep,nathos/nathosdotcom,tetsuo692/belleguic,agile5/ottophysio,tetsuo692/belleguic,nathos/nathosdotcom,agile5/ottophysio,everyleaf/manyo-road