u cant really find the frogs u first have too find thief v's hideout and too do that u have to follow him there and not get caught once u find it at night thief v will be in town hall and u have to go 2 go 2 his hideout and play the CD player and try to copy the song with the frogs but u have to do that by morning.
p.s. Sorry so long but hopes it helps
Look at the frogs.
in the petting zoo
the map is in thief v's hideout behind the bookcase. you have to make the frogs sing then you have to repeat it.
You have to play the frogs in the order they play at first.
In Little Lea Lake in My Sims Agents the answer to the door before thief v can get it is 50
You have to go in his cave at night and click on his music player. It will show frogs shaking. You might want to do it alot because you have to click on them in the right order.
There are the stange frogs in his hideout. Play the song on the CD player and try to do the song your self by tapping the frogs it is hard to do and you can not do it because i have the game and that is what i do but it dos not work!!!!!!!!!!!!!!!!!!!!!!!
To get in to the Thief V Hideout on My Sims Agents you have to successfully tail him to his cave where he will move the rocks.
In the thief's hideout
the treasure is at the thief v's hideout behind the bookshelf.
you just try
The burglar is Vincent Skullfinder he calls himself Thief V