You need to learn, how to use Multi-Loader and how to create a Multi-Game-DVD.
Then patch it with ESR.
If your FMCB 1.7 + ESR-Path is configured properly, it directly boots your ESR-Backups through the PS2-Browser.
When Multi-Loader boots up, you press O/CIRCLE and you will see Mode 1.33, or something on screen (...or you simply use an older Multi-Loader-Version, such as 1.33 thought...).
Then, you choose your game and start it.
PS2 V7/DMS3 V2 (FW:2.4b7); Seagate Baracuda 200GB
PS2 V7/CC1.0 (FW:34 hacked v2 BM:2.1.6); Maxtor DiamondMAX9 PLUS 160GB
PS2 SCPH-30004R; NoMod+NoLaser
3xSony MC 8MB
MAX/Datel 16MB with Boot-CD
Custom FMCB 1.8b+ Beta-Build, my AIO 0.5, Sony&xRhino-Linux