Which games are you talking about?
You don't need those SM-ELFs at all, since you have uLE.
If you really want to swap, simply use 'unofficial LaunchELF'.
Oh and btw. There is no Homebrew-App available for the PS2, which is called 'ulaunch'. Please simply refer to it as 'uLE', since it is shorter; the correct abreviation and ronald|dlanor get's the hang of it (not telling he's getting annoyed by 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