The Australian War Memorial has an excellent website with many searchable databases available. One of the interesting databases is the photographic images database which has a number of contributions regarding 105 Battery in Vietnam and earlier with many names. To access these images go the AWM site by clicking on the link:
and then go to the online Databases which will offer various searching options.
To search for images of 105 Battery in Vietnam on the second tour in 1969/70 you could enter the following words in the KEYWORDS search area:
This search will turn up all images whose captions contain these three terms. You can then modify your search to look for any other items of interest by just typing in the word artillery and you will have images from WW1, WW2 and the rest. Have fun!