Much of my influence and inspiration in ministry, beyond a personal friend and companion in the work of God is Al Houghton of Word at Work Ministries. His website http://www.wordatwork.org is accessible on the net and there are many resources on the site, payable by Paypal to access mp3 audio teachings.
Al Houghton has had over 40 years of Bible Teaching experience, ministered alongside MelodyLand prophet Dick Mills, and has been used by God on the national scene in the United States, the UK, Costa Rica, Puerto Rico, Canada and many more nations.
He has wonderful book publications, some examples I am reading at the moment: Sure Mercies of David, Purifying the Altar, Marked Men.
Please go to the site. http://www.wordatwork.org and consider sowing to his ministry also.