Quote from trader59:
Does anyone know if the k-1 income from a prop firm qualifies for Foreign Earned Income Exemption, or it does not since it is a partnership distribution of a USA-based LLC?
Quote from CET:
Publications 54, Tax Guide for U.S. Citizens and Resident Aliens Abroad, 514, Foreign Tax Credit for Individuals, and 901, U.S. Tax Treaties, discuss in detail the treatment of your foreign income, the foreign tax credit, and the general tax treaty benefits available to you.
http://www.taxmeless.com/IRS593Publication.htm
The above link/info may help as a starting point.