Very versatile: See here, here and here for other versions.
Bubbles are easy to omit - just skip them if you feel like it.
Have aprox. 400 meters of yarn for a Nessie - if you make bubbles, you will need more yarn.
Note: make the yo tight in all short-row-turns.
k6, pm, k until 6 sts to end, turn, yo,
k6, pm, k to m. turn, yo, k6, pm, k to m
Do shortrows with 6 sts less for each row until there are 11 sts left between the shortrow-turns.
Now you will k until end, while knitting the yo together with the next stitch, closing the gap from the shortrows.
k11, k2tog, k5, k2tog until last k2tog, k5.
k until first short-row-gap. Knit the yo and the next st as you did before. k to end.
k2, MB, k3 until 3 sts left, MB, k2.
kfb 5 times in the same st.
lift the 4 last sts over the 1st st.
kfb in all sts.
k18, pm, k until 18 sts left, turn, yo, k until m - and continue shortrows - this time only with 18 sts between shortrows.
For en norsk version, se HER.