Idlewood Tag #10 is near the riverbed. Find the billboard that has a red and white “Homies” sign written on it. Head down the riverbed and you’ll find the tag on the divider.
For Ganton Tag #2, we're still going to use CJ's house as a landmark. From CJ’s home, follow the road down until you reach the railroad tracks. There should be a clothing store and gym. In between ...