Worldpress.org has a much broader collection of newspapers, and also tells you the ideological bend of the paper you're reading.
Immigration issues in the US arent't front-page material for Mexican newspapers these days. But here's what they have covered:
El Sol de Mexico, Mexico. "Thousands of union workers paralyze Mexico City". Protests sought to change the actions of Mexico's labor Secretary, who unions blame for a current conflict with mine workers.
El Financiero, Mexico. "[Mexican] Stock Market reaches a new record". Stocks have risen on the news that the center-right PAN candidate for president, Felipe Calderon, is ahead in the polls.
La Razon, Bolivia. "A socialist pact is born in Havana". It's hard to decipher, but Castro, Chavez, and Morales are now all party to some sort of trade agreement that counters the US-led Free Trade Area of the Americas and bilateral free trade agreements. It's unclear where these agreements fall on the symbolic-substantive spectrum. Since I'm pretty sure Venezuela isn't going to stop selling us oil tomorrow, I'm betting on symbolism.
La Nacion, Costa Rica [bugmenot]. "Homosexual community will fight for civil unions". Even in Central and South America, where most countries have Catholic supermajorities. An Argentine gay rights organizer cites a poll showing 60% support for civil unions in Argentina.
El Telegrafo, Ecuador. "Petroecuador seeks US $279M bailout". In 2005, the state oil company reported $2B in net income, but claims to have problems financing its oil- & natral gas-fired power plants.