Alistair Begg has recently made all of the audio from the 2002-2008 BASICS Conferences available free. Among the many good speakers and lectures there are several by Eric Alexander. The following were given at the 2002 BASICS Conference:

Samuel’s Ministry ( 1 Samuel 12)
Thirsting After God (Psalm 63)
Q & A ( Dick Lucas, Eric Alexander, and Derek Prime)

HT: Monergism