>> Where can I find syringe paste with a finer tip?

If it's a "standard" syringe, there should be lots of sources of
both blunt "needles" (from electronics and hobbyist sources, like:
http://shop1.outpost.com/product/1560660?site=sr:SEARCH:MAIN_RSLT_PG)
and sharp needles (from medical and veterinary sources, or even ask
your doctor next time you have a checkup.)

BillW

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist