Episode 12 is out… download it from here, or subscribe to the History of Iran Podcast via your favourite podcast catcher. Here is the feed for it.
… and here are some pictures and maps to help with visualisation. Also, look at this Achaemenid Daric (Achaemenid gold coin) which is very close to the Lydian prototype.
A (bit fanciful) map of the conquests of Cyrus.
A famous vase showing Croesus on his “suicide” pyre…
A Lydian coin… notice that the reverse is just a hollow blank.
View of a part of Pasargadae
Tol-e Takht, the old citadel of Pasargadae
Ruins of one of the palaces in Pasargadae
Nice, short article on Cyrus. Livius is generally a good site and I would trust most of its contents.