Modify Macro To Paste Results To Last Empty Cell

I have this macro and at the present time, can only compare two worksheets. One of my worksheets contains column headers with data, the other worksheet just contains column headers. The macro will match the data against the column header and paste below. I'm doing it this way because I have several tables I export from a MySQL database, but some of them have more fields than others so I was trying to get all of the data to line up in under the correct column header from each table. I need editing the macro to allow for

1) More than one worksheet to be analyzed at a time
2) If the first request is not possible, I would like for the macro to paste results at the next empty cell. As of now, it will only copy one at a time (which requires me to house the data in another worksheet everytime I run the macro).

Below is the code:

Dim ws1 As Worksheet, ws2 As Worksheet
Dim HeaderCells As Range, Hdr As Range, hdrFIND As Range

Application.ScreenUpdating = False 'speed things up
Set ws1 = ThisWorkbook.Worksheets("HEADERS") 'Define name of worksheets
Set ws2 = ThisWorkbook.Worksheets("B")

[Code] .......