Smile for Allah
There's a course at Dr Bilal Philip's Islamic Online University called "Arabic Reading and Writing for Beginners."
There are text notes as well as audio clippings which pretty thoroughly cover the Arabic language for beginners - so if any new muslim/revert is willing to learn, it will be a good place to start. They have homework assignments which the student will need to submit in, such as Reading assignments (record your voice using Audacity), Writing and Dictation assignments.
Even I've started doing this short term course since my Arabic writing and tajweed needs a bit of work. (And I learnt my childhood Quran teacher wasn't too particular about the stringent rules of Tajweed).
After this course, there's another one in the next level which teaches Arabic Grammar for Beginners.