MKSheppard: At the internet archive:

https://archive.org/details/wargamer-depot_age-of-rifles
Wargamer Scenario Depot: Age of Rifles

What it contains (from each source):

1.) 144~ scenarios from the old wargamer.com Scenario Depot

2.) 240~ scenarios from misc places

3.) 79~ French language scenarios from the defunct French magazine Cyberstratege; which included them on CDs that shipped with each magazine issue; someone uploaded images of those CDs to the Internet Archive.

4.) Age of Rifles Scenario/Campaign Compendium v1.1 recovered from a defunct Age of Rifles Yahoo Group; before Yahoo Groups self destructed. This contains 745 scenarios and 31 campaigns.

The following mods:

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Age of Napoleon (1813-1815) By Max v. Schweinewitz

This mod focuses on the German Campaigns of 1813; but has tons of extras that could be used for 1812 or the Hundred Days. Has the Battle of Wartenburg (1813) as a teaser to show what can be done.
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Age of Napoleon by Andreas Kopp.
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Age of Muskets v0.4 by apollo
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