No mostrarles el dinero

Just give it to them directly, rather than filter it through Spanish politicians, bureaucrats and union bosses;

Employment Minister Fátima Báñez announced on Monday that Spain would be receiving 1.5 to 2 billion euros of EU funds to help combat youth unemployment. The total amount that the EU is planning on spending on the problem, assuming that the plan is approved by the European Council this week, is expected to reach six billion euros.

Báñez made the announcement after meeting on Monday with the prime minister, Mariano Rajoy, and the leaders of Spain’s main labor unions in the Moncloa palace. 

Wouldn't even have to drop it from helicopters, just ask unemployed Spanish youths (something like 60% of their total) to register for the largesse. Then divide the number of applicants into the money made available to get each recipient's amount, and mail them a check or deposit it into their bank account. Stimulus accomplished.