Peaceable Projects Inc. is a U.S.-based non-profit group that brings the vast resources of the wide world together with the ongoing needs of the people who live, work, and travel on the Camino de Santiago pilgrim trail network in Spain.
Yes Omar, there are several programs for resizing photos so they can be posted on the web, usually reduced to 600 pixels wide. Surf the web, or download the free sizing program for Windows "PIXresizer", sorry it may not work on the Mac. Let me know if this free program works for you.
I did this recently, see my postings.