Should be in noob forum

But if its a 7.5 width, and stock offset is 55, you'd be safe to stick with anything from around 45 to 50. A tried and proven offset is +48. Anythign lower than 45 and you MAY have rubbing issues with lowering.

As for hosting pics, you have to host the pic online first, then hyperlink that pic from the online source, not from your HDD.