Off[General::spell];
Off[General::spell1];

================================
Load FeynArts:

$Path

$Path =  
      Append[$Path, "/Net/thy2/olness/mathload/FeynArts"]

FileNames["FeynArts.m", $Path]  // TableForm

<< FeynArts`

================================
Create Topologies: Photon+Gluon->Quark+Quark

tops= CreateTopologies[0,4
         ,Tadpoles->False
         ,SelfEnergies->False
       ];
Length[tops]

ins=InsertFields[tops,{V[1],V[1]}->{F[1],F[-1]}
                 ,Model->{SM}];

ins

Paint[ins
     ,GraphsPerRow -> 1
     ,RowsPerSheet -> 2];

amp=CreateFeynAmp[ins];

amp

InputForm[amp]