Except of course that the flag James posted isn't the Stars & Bars, this is:
In fact it wasn't even a flag of the confederacy. Here is the second national flag of the Confederacy.
The Southern Cross was a battle flag used early in the fighting and was square, not rectangular:
The flag that everyone associates with the Confederacy now, never was a flag of the Confederacy. It was used by some select armies as a battle flag, and the navy used it as an ensign, but was never in wide use despite the popular mythology.
PrivateTim's post in Q: when is the confederate flag not racist? was marked as the answer