you're welcome friend...
Emmz...
this ROM Can use custom kernel, I suggest for use Alfs07 ICS and Install update_vold&chargermond.
but if use custom kernel cannot install it with CWMrecovery,
yaa... we must back to Stock kernel first to installed this ROM, Later Flash Custom kernel.
for back to stock kernel without flash eclair=
1. first install Xperia-ALT 7.2 with custom kernel, we now if installed use custom kernel, will stuck in bootanimation.
2. later, open Battery xperia x8, wait 10second,,, and install again the battery
3. Flash the stock kernel, (only kernel, not Eclair)
4. turn on x8, and klik back, and recured.
if showing logo text SONY ERICSSON.
5. you will get Xrecovery
6. later... install this rom, with xRecovery. appropriate tutor installing in above.
7. after finish.... and first launcing. you can flash your custom kernel (recommended use Alfs07ics)