The pictures which u hv posted are not sufficient.
Anyhow,, I can give you some tips since I installed my GTX 460 some weeks ago. ...
1. Just remember this fact that you will not be able to connect two cables if they are not suppose to be connected (unless you apply force, in which case you will end up breaking them). So I simply started the cables by seeing the connectors and making guesses. It took me just 10 min to install the complete card which includes opening the cabinet and removing the old card as well.
2. All the cables which you see in the box will not be required as some of them might already be hanging around in your cabinet from PSU, for eg. the cable shown in pic # 2. Similarly all the connectors you see on the card will not have the cable attached to them as there are many connectors which are used to measure the CARD Voltage input etc. in a workshop for testing, writing reviews etc. So do not feel that it is not finished if you see some cables unused and some connectors unattached.
3. Your box will have a big one paper manual folded and hidden deep. Do not tell me it is not there as I also thought initially but then found it after I installed the card below the last layer of cardboard in the box. Try to search it and it will help you further.
Just follow your instincts and it will go OK... there is hardly anything wrong you could do here.
let me know ..