Great job captioning this silly photo! You made it quotable with these clever ideas:
Speed dating for dogs. – laura220
So this is my punishment for howling at the moon . . . – rickimc
Overheard from one of the dogs: "It's two o'clock on the doggie sun dial . . .do we have to keep our butts up in the air, or can we rest on the half-hour?" – sgdish
As the drill sergeant looks on to ensure the new gym members listen to Peggy: "Ok all let's get into downward facing dog . . ." SofyasDad
Check out the rest of your suggestions here.