if the price is $14 for 12 effects this is better to buy it and use with Vegas or Adobe.if you ewant to create probably you can but you need to invest time to learn and try.
For using masks to uncover a line or object, see this link and download (if still available) the example done by John EB. This will give you insight as to how to use masks. As for tutorials, the following should help:
In the your referenced video, is there any particular lower third that you like? I may try to find some time to reproduce it. I could always use a couple of new models, and modify them to my liking.
There is also a plug-in, proDAD Heroglyph, that has lower thirds that can be modified.