this is my very first post.. been watching this site for a while and has been great

I need to think of something to retain this wall.. behind it there is a 1.8M high rendered fence. Was thinking of a rock wall but now thinking some bricks might suit better.. Will these need concrete footing?
http://www.abcbricksales.com.au/cgi-bin ... st&Option=
I'm open to any suggestions
Cheers
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