: Visit a reputable source like the Xray Ultimate page on CurseForge or SourceForge to get the .zip file for version 1.8.

: The gold standard for transparency packs. It highlights all vanilla ores while making stone, dirt, and gravel invisible.

: A custom-made pack often used on servers to find faction bases and hidden chests. How to Download and Install

: Most Eaglercraft clients allow you to drag and drop the downloaded .zip file directly into the browser window or use an "Upload" button within the Resource Pack menu.

While many packs exist, these are the most reliable for the 1.8.8 version used by Eaglercraft:

: Launch your Eaglercraft 1.8.8 client, go to Options , and select Resource Packs .

Simply activating the pack isn't always enough. For the best "see-through" effect, adjust these in-game settings: