Look for a CHD (Chdman) file. CHD compresses PS2 games to roughly 40% of their original size without removing any data. A 3.2 GB ISO becomes a 1.2 GB CHD. While not the "153 MB" you searched for, it is safe, complete, and runs flawlessly on PCSX2.
Using tools like 7-Zip or KGB Archiver at "Ultra" settings can shrink data significantly, though these files take much longer to extract. How to Play HCTP Today Wwe Smackdown Here Comes The Pain Highly Compressed 153
You still get the legendary lineup, including Brock Lesnar, Goldberg, and The Rock . Look for a CHD (Chdman) file
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