This single prim HUD is just a button that scrolls through nearby players names, photos and user key. Drop it in a prim and touch the prim and you are set to go. Modify it to suit your particular use in another Hud, weapon, or whatever you want.

// Basic Target Scanner HUD // by Ackley Bing // // Drop this in a prim and touch key HUDtarget; integer HUDattachpoint=ATTACH_HUD_CENTER_1; integer senseindex; key photoReq; TargetInfo(key id) { llSetText(llToLower(llGetDisplayName(id))+"\n"+(string)id, <0.0, 1.0, 0.0>, 1.0); if ( id!=NULL_KEY ) { photoReq=llHTTPRequest("http://world.secondlife.com/resident/" + (string)id, [], ""); llOwnerSay("Current Target: secondlife:///app/agent/" + (string)id + "/inspect " + (string)id ); } else { llSetTexture("8dcd4a48-2d37-4909-9f78-f7a9eb4ef903", 0); llOwnerSay("No Target"); } } default { state_entry() { llRequestPermissions(llGetOwner(), PERMISSION_TAKE_CONTROLS | PERMISSION_ATTACH); } attach(key id) { if (id) { llSetScale(<0.1, 0.15, 0.1>); llSetPrimitiveParams([PRIM_TYPE, PRIM_TYPE_BOX, PRIM_HOLE_DEFAULT, <0.0, 1.0, 0.0>, 0.0, <0.0, 0.0, 0.0>, <2.0, 0.5, 1.0>, <0.0, 0.0, 0.0>, PRIM_ROT_LOCAL, <0.000000, -0.707107, 0.000000, 0.707107>, PRIM_COLOR, 0, <1.0,1.0,1.0>, 1.0, PRIM_COLOR, 1, <0.0,1.0,0.0>, 1.0, PRIM_COLOR, 3, <0.0,1.0,0.0>, 1.0, PRIM_COLOR, 2, <1.0,1.0,1.0>, 0.0, PRIM_COLOR, 4, <1.0,1.0,1.0>, 0.0]); llRotateTexture(270.0*DEG_TO_RAD,0); HUDattachpoint=llGetAttached(); senseindex=0; llSensor("", "", AGENT, 128, TWO_PI); } } on_rez(integer param) { if ( !llGetAttached() ) llRequestPermissions(llGetOwner(),PERMISSION_ATTACH|PERMISSION_TAKE_CONTROLS); } touch_start(integer tsn) { if ( !llGetAttached() ) llRequestPermissions(llGetOwner(),PERMISSION_ATTACH|PERMISSION_TAKE_CONTROLS); senseindex=senseindex+(llDetectedTouchFace(0)==1)-(llDetectedTouchFace(0)==3); llSensor("", "", AGENT, 128, TWO_PI); } sensor(integer num) { senseindex=((senseindex<0)*(num-1))+((senseindex>=0)*(senseindex*(senseindex!=num))); HUDtarget=llDetectedKey(senseindex); TargetInfo(HUDtarget); } no_sensor() { senseindex=0; HUDtarget=NULL_KEY; TargetInfo(HUDtarget); } http_response(key request_id, integer status, list metadata, string body) { if( request_id == photoReq ) { string photoID; integer StartIndex=llSubStringIndex(body,""); integer EndIndex=llSubStringIndex(body,""); if( StartIndex!=-1) { integer tempIndex=llSubStringIndex(body,"imageid")+18; if(tempIndex>17)photoID=llGetSubString(body,tempIndex,tempIndex+35); } if ( photoID==NULL_KEY || photoID=="" ) photoID="8dcd4a48-2d37-4909-9f78-f7a9eb4ef903"; llSetTexture(photoID, 0); } } run_time_permissions(integer perms) { if ( perms & PERMISSION_ATTACH ) llAttachToAvatar(HUDattachpoint); if ( perms & PERMISSION_TAKE_CONTROLS ) llTakeControls(CONTROL_BACK, FALSE, TRUE); // required to allow script to continue to operate in 'no-script' areas and has to be activated before entering the 'no-script' area. } }