blending pics??

i just recently started messin around with photoshop and i want 2 know how 2 blend 2 pics or sumthin cuz i wanted 2 do it with these pics

but i mean wit psds







i wanted 2 do that b4 i added her on tha left side but here is the original pic

just search on google for like... "photoshop tutorial blending"
there's shitloads of tutorials for photoshop... most of them are easy to understand aswell