Tank Bag

[Snipet]

Hi guys and girls,
I'm looking at getting a tank bag for my ZR7-S, but finding funds are fairly tight. So brand new is out of the question, does any one have a talk bag they no longer use?
Not worried on age as long as its in good condition. Preferably red, red/black or plain black, and it needs to fit the tank cover on my bike (Pictured below)
Budget is maxed at £40, but happy to pay less .
Can any one help?

https://a4.sphotos.ak.fbcdn.net/hphotos-ak-prn1/538714_3659338889174_1445723170_33422807_921916707_n.jpg
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First Bike: Pulse Rage 125cc Second Bike: Kymco KR Sport 125cc Third Bike: Kawasaki ZR7-S 750cc
Forth Bike Honda VFR 750cc Fifth Bike Honda NT650 Deauville Fifth Bike Suzuki GSX650F